Home / 842,924.80-1,264,387.20-524,060.20

Finding the Fourth Proportional to 842,924.80, 1,264,387.20 and 524,060.20

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Solution

The fourth proportional to 842,924.80, 1,264,387.20 and 524,060.20 is: 786,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,924.80 : 1,264,387.20 = 524,060.20 : x
  2. Step 2: Convert to fraction form
    842,924.80/1,264,387.20 = 524,060.20/x
  3. Step 3: Cross multiply
    842,924.80x = 1,264,387.20 × 524,060.20
  4. Step 4: Simplify right side
    842,924.80x = 662,615,008,909.44
  5. Step 5: Solve for x
    x = 662,615,008,909.44/842,924.80
  6. Step 6: Final answer
    x = 786,090.30

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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.