Home / 748,512.64-1,032,935.28-408,973.60

Finding the Fourth Proportional to 748,512.64, 1,032,935.28 and 408,973.60

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Solution

The fourth proportional to 748,512.64, 1,032,935.28 and 408,973.60 is: 564,376.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,512.64 : 1,032,935.28 = 408,973.60 : x
  2. Step 2: Convert to fraction form
    748,512.64/1,032,935.28 = 408,973.60/x
  3. Step 3: Cross multiply
    748,512.64x = 1,032,935.28 × 408,973.60
  4. Step 4: Simplify right side
    748,512.64x = 422,443,260,028.61
  5. Step 5: Solve for x
    x = 422,443,260,028.61/748,512.64
  6. Step 6: Final answer
    x = 564,376.92

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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.