Home / 520,277.02-718,098.11-316,284.75

Finding the Fourth Proportional to 520,277.02, 718,098.11 and 316,284.75

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Solution

The fourth proportional to 520,277.02, 718,098.11 and 316,284.75 is: 436,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,277.02 : 718,098.11 = 316,284.75 : x
  2. Step 2: Convert to fraction form
    520,277.02/718,098.11 = 316,284.75/x
  3. Step 3: Cross multiply
    520,277.02x = 718,098.11 × 316,284.75
  4. Step 4: Simplify right side
    520,277.02x = 227,123,480,801.47
  5. Step 5: Solve for x
    x = 227,123,480,801.47/520,277.02
  6. Step 6: Final answer
    x = 436,543.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.