Home / 718,773.28-1,077,285.36-508,471.84

Finding the Fourth Proportional to 718,773.28, 1,077,285.36 and 508,471.84

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Solution

The fourth proportional to 718,773.28, 1,077,285.36 and 508,471.84 is: 762,089.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,773.28 : 1,077,285.36 = 508,471.84 : x
  2. Step 2: Convert to fraction form
    718,773.28/1,077,285.36 = 508,471.84/x
  3. Step 3: Cross multiply
    718,773.28x = 1,077,285.36 × 508,471.84
  4. Step 4: Simplify right side
    718,773.28x = 547,769,269,204.26
  5. Step 5: Solve for x
    x = 547,769,269,204.26/718,773.28
  6. Step 6: Final answer
    x = 762,089.08

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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.