Home / 748,304.58-1,032,663.48-408,780.12

Finding the Fourth Proportional to 748,304.58, 1,032,663.48 and 408,780.12

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Solution

The fourth proportional to 748,304.58, 1,032,663.48 and 408,780.12 is: 564,118.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,304.58 : 1,032,663.48 = 408,780.12 : x
  2. Step 2: Convert to fraction form
    748,304.58/1,032,663.48 = 408,780.12/x
  3. Step 3: Cross multiply
    748,304.58x = 1,032,663.48 × 408,780.12
  4. Step 4: Simplify right side
    748,304.58x = 422,132,301,274.02
  5. Step 5: Solve for x
    x = 422,132,301,274.02/748,304.58
  6. Step 6: Final answer
    x = 564,118.29

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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.