Home / 828,002.30-1,242,003.45-237,026.30

Finding the Fourth Proportional to 828,002.30, 1,242,003.45 and 237,026.30

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Solution

The fourth proportional to 828,002.30, 1,242,003.45 and 237,026.30 is: 355,539.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,002.30 : 1,242,003.45 = 237,026.30 : x
  2. Step 2: Convert to fraction form
    828,002.30/1,242,003.45 = 237,026.30/x
  3. Step 3: Cross multiply
    828,002.30x = 1,242,003.45 × 237,026.30
  4. Step 4: Simplify right side
    828,002.30x = 294,387,482,340.74
  5. Step 5: Solve for x
    x = 294,387,482,340.74/828,002.30
  6. Step 6: Final answer
    x = 355,539.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.