Home / 669,306.11-1,004,358.08-242,875.20

Finding the Fourth Proportional to 669,306.11, 1,004,358.08 and 242,875.20

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Solution

The fourth proportional to 669,306.11, 1,004,358.08 and 242,875.20 is: 364,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,306.11 : 1,004,358.08 = 242,875.20 : x
  2. Step 2: Convert to fraction form
    669,306.11/1,004,358.08 = 242,875.20/x
  3. Step 3: Cross multiply
    669,306.11x = 1,004,358.08 × 242,875.20
  4. Step 4: Simplify right side
    669,306.11x = 243,933,665,934.16
  5. Step 5: Solve for x
    x = 243,933,665,934.16/669,306.11
  6. Step 6: Final answer
    x = 364,457.55

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Double scale
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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.