Home / 748,115.72-1,032,398.32-408,583.88

Finding the Fourth Proportional to 748,115.72, 1,032,398.32 and 408,583.88

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Solution

The fourth proportional to 748,115.72, 1,032,398.32 and 408,583.88 is: 563,845.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,115.72 : 1,032,398.32 = 408,583.88 : x
  2. Step 2: Convert to fraction form
    748,115.72/1,032,398.32 = 408,583.88/x
  3. Step 3: Cross multiply
    748,115.72x = 1,032,398.32 × 408,583.88
  4. Step 4: Simplify right side
    748,115.72x = 421,821,311,291.08
  5. Step 5: Solve for x
    x = 421,821,311,291.08/748,115.72
  6. Step 6: Final answer
    x = 563,845.00

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Double scale
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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.