Home / 862,647.20-1,293,970.80-301,623.20

Finding the Fourth Proportional to 862,647.20, 1,293,970.80 and 301,623.20

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Solution

The fourth proportional to 862,647.20, 1,293,970.80 and 301,623.20 is: 452,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,647.20 : 1,293,970.80 = 301,623.20 : x
  2. Step 2: Convert to fraction form
    862,647.20/1,293,970.80 = 301,623.20/x
  3. Step 3: Cross multiply
    862,647.20x = 1,293,970.80 × 301,623.20
  4. Step 4: Simplify right side
    862,647.20x = 390,291,613,402.56
  5. Step 5: Solve for x
    x = 390,291,613,402.56/862,647.20
  6. Step 6: Final answer
    x = 452,434.80

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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.