Home / 732,060.48-1,098,279.96-428,710.80

Finding the Fourth Proportional to 732,060.48, 1,098,279.96 and 428,710.80

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Solution

The fourth proportional to 732,060.48, 1,098,279.96 and 428,710.80 is: 643,177.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,060.48 : 1,098,279.96 = 428,710.80 : x
  2. Step 2: Convert to fraction form
    732,060.48/1,098,279.96 = 428,710.80/x
  3. Step 3: Cross multiply
    732,060.48x = 1,098,279.96 × 428,710.80
  4. Step 4: Simplify right side
    732,060.48x = 470,844,480,275.57
  5. Step 5: Solve for x
    x = 470,844,480,275.57/732,060.48
  6. Step 6: Final answer
    x = 643,177.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.