Home / 739,470.18-1,020,515.52-417,062.64

Finding the Fourth Proportional to 739,470.18, 1,020,515.52 and 417,062.64

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Solution

The fourth proportional to 739,470.18, 1,020,515.52 and 417,062.64 is: 575,572.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,470.18 : 1,020,515.52 = 417,062.64 : x
  2. Step 2: Convert to fraction form
    739,470.18/1,020,515.52 = 417,062.64/x
  3. Step 3: Cross multiply
    739,470.18x = 1,020,515.52 × 417,062.64
  4. Step 4: Simplify right side
    739,470.18x = 425,618,896,932.17
  5. Step 5: Solve for x
    x = 425,618,896,932.17/739,470.18
  6. Step 6: Final answer
    x = 575,572.77

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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.