Home / 748,104.78-1,032,391.17-425,835.63

Finding the Fourth Proportional to 748,104.78, 1,032,391.17 and 425,835.63

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Solution

The fourth proportional to 748,104.78, 1,032,391.17 and 425,835.63 is: 587,656.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,104.78 : 1,032,391.17 = 425,835.63 : x
  2. Step 2: Convert to fraction form
    748,104.78/1,032,391.17 = 425,835.63/x
  3. Step 3: Cross multiply
    748,104.78x = 1,032,391.17 × 425,835.63
  4. Step 4: Simplify right side
    748,104.78x = 439,628,944,283.39
  5. Step 5: Solve for x
    x = 439,628,944,283.39/748,104.78
  6. Step 6: Final answer
    x = 587,656.91

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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.