Home / 748,496.56-1,032,913.20-408,957.52

Finding the Fourth Proportional to 748,496.56, 1,032,913.20 and 408,957.52

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Solution

The fourth proportional to 748,496.56, 1,032,913.20 and 408,957.52 is: 564,354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,496.56 : 1,032,913.20 = 408,957.52 : x
  2. Step 2: Convert to fraction form
    748,496.56/1,032,913.20 = 408,957.52/x
  3. Step 3: Cross multiply
    748,496.56x = 1,032,913.20 × 408,957.52
  4. Step 4: Simplify right side
    748,496.56x = 422,417,620,647.26
  5. Step 5: Solve for x
    x = 422,417,620,647.26/748,496.56
  6. Step 6: Final answer
    x = 564,354.79

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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.