Home / 748,464.56-1,032,869.04-408,925.52

Finding the Fourth Proportional to 748,464.56, 1,032,869.04 and 408,925.52

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Solution

The fourth proportional to 748,464.56, 1,032,869.04 and 408,925.52 is: 564,310.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,464.56 : 1,032,869.04 = 408,925.52 : x
  2. Step 2: Convert to fraction form
    748,464.56/1,032,869.04 = 408,925.52/x
  3. Step 3: Cross multiply
    748,464.56x = 1,032,869.04 × 408,925.52
  4. Step 4: Simplify right side
    748,464.56x = 422,366,509,273.90
  5. Step 5: Solve for x
    x = 422,366,509,273.90/748,464.56
  6. Step 6: Final answer
    x = 564,310.63

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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.