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Finding the Fourth Proportional to 473,291.60, 709,937.40 and 295,998.80

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Solution

The fourth proportional to 473,291.60, 709,937.40 and 295,998.80 is: 443,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,291.60 : 709,937.40 = 295,998.80 : x
  2. Step 2: Convert to fraction form
    473,291.60/709,937.40 = 295,998.80/x
  3. Step 3: Cross multiply
    473,291.60x = 709,937.40 × 295,998.80
  4. Step 4: Simplify right side
    473,291.60x = 210,140,618,475.12
  5. Step 5: Solve for x
    x = 210,140,618,475.12/473,291.60
  6. Step 6: Final answer
    x = 443,998.20

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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.