Home / 684,031.25-944,021.38-397,532.89

Finding the Fourth Proportional to 684,031.25, 944,021.38 and 397,532.89

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Solution

The fourth proportional to 684,031.25, 944,021.38 and 397,532.89 is: 548,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,031.25 : 944,021.38 = 397,532.89 : x
  2. Step 2: Convert to fraction form
    684,031.25/944,021.38 = 397,532.89/x
  3. Step 3: Cross multiply
    684,031.25x = 944,021.38 × 397,532.89
  4. Step 4: Simplify right side
    684,031.25x = 375,279,543,034.64
  5. Step 5: Solve for x
    x = 375,279,543,034.64/684,031.25
  6. Step 6: Final answer
    x = 548,629.24

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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.