Home / 787,752.28-1,181,213.70-538,505.56

Finding the Fourth Proportional to 787,752.28, 1,181,213.70 and 538,505.56

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Solution

The fourth proportional to 787,752.28, 1,181,213.70 and 538,505.56 is: 807,474.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,752.28 : 1,181,213.70 = 538,505.56 : x
  2. Step 2: Convert to fraction form
    787,752.28/1,181,213.70 = 538,505.56/x
  3. Step 3: Cross multiply
    787,752.28x = 1,181,213.70 × 538,505.56
  4. Step 4: Simplify right side
    787,752.28x = 636,090,144,998.17
  5. Step 5: Solve for x
    x = 636,090,144,998.17/787,752.28
  6. Step 6: Final answer
    x = 807,474.84

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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.