Home / 656,864.20-985,296.30-302,570.20

Finding the Fourth Proportional to 656,864.20, 985,296.30 and 302,570.20

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Solution

The fourth proportional to 656,864.20, 985,296.30 and 302,570.20 is: 453,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,864.20 : 985,296.30 = 302,570.20 : x
  2. Step 2: Convert to fraction form
    656,864.20/985,296.30 = 302,570.20/x
  3. Step 3: Cross multiply
    656,864.20x = 985,296.30 × 302,570.20
  4. Step 4: Simplify right side
    656,864.20x = 298,121,298,550.26
  5. Step 5: Solve for x
    x = 298,121,298,550.26/656,864.20
  6. Step 6: Final answer
    x = 453,855.30

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Similar ratio
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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.