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Finding the Fourth Proportional to 488,031.80, 732,047.70 and 444,486.20

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Solution

The fourth proportional to 488,031.80, 732,047.70 and 444,486.20 is: 666,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,031.80 : 732,047.70 = 444,486.20 : x
  2. Step 2: Convert to fraction form
    488,031.80/732,047.70 = 444,486.20/x
  3. Step 3: Cross multiply
    488,031.80x = 732,047.70 × 444,486.20
  4. Step 4: Simplify right side
    488,031.80x = 325,385,100,391.74
  5. Step 5: Solve for x
    x = 325,385,100,391.74/488,031.80
  6. Step 6: Final answer
    x = 666,729.30

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Similar ratio
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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.