Home / 755,459.39-1,042,532.07-415,927.64

Finding the Fourth Proportional to 755,459.39, 1,042,532.07 and 415,927.64

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Solution

The fourth proportional to 755,459.39, 1,042,532.07 and 415,927.64 is: 573,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,459.39 : 1,042,532.07 = 415,927.64 : x
  2. Step 2: Convert to fraction form
    755,459.39/1,042,532.07 = 415,927.64/x
  3. Step 3: Cross multiply
    755,459.39x = 1,042,532.07 × 415,927.64
  4. Step 4: Simplify right side
    755,459.39x = 433,617,904,546.02
  5. Step 5: Solve for x
    x = 433,617,904,546.02/755,459.39
  6. Step 6: Final answer
    x = 573,979.10

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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.