Home / 747,652.36-1,031,638.62-441,686.20

Finding the Fourth Proportional to 747,652.36, 1,031,638.62 and 441,686.20

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Solution

The fourth proportional to 747,652.36, 1,031,638.62 and 441,686.20 is: 609,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,652.36 : 1,031,638.62 = 441,686.20 : x
  2. Step 2: Convert to fraction form
    747,652.36/1,031,638.62 = 441,686.20/x
  3. Step 3: Cross multiply
    747,652.36x = 1,031,638.62 × 441,686.20
  4. Step 4: Simplify right side
    747,652.36x = 455,660,541,841.04
  5. Step 5: Solve for x
    x = 455,660,541,841.04/747,652.36
  6. Step 6: Final answer
    x = 609,455.10

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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.