Home / 727,720.28-1,086,463.65-556,043.52

Finding the Fourth Proportional to 727,720.28, 1,086,463.65 and 556,043.52

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Solution

The fourth proportional to 727,720.28, 1,086,463.65 and 556,043.52 is: 830,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,720.28 : 1,086,463.65 = 556,043.52 : x
  2. Step 2: Convert to fraction form
    727,720.28/1,086,463.65 = 556,043.52/x
  3. Step 3: Cross multiply
    727,720.28x = 1,086,463.65 × 556,043.52
  4. Step 4: Simplify right side
    727,720.28x = 604,121,072,298.05
  5. Step 5: Solve for x
    x = 604,121,072,298.05/727,720.28
  6. Step 6: Final answer
    x = 830,155.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.