Home / 709,575.38-1,064,766.99-260,236.34

Finding the Fourth Proportional to 709,575.38, 1,064,766.99 and 260,236.34

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Solution

The fourth proportional to 709,575.38, 1,064,766.99 and 260,236.34 is: 390,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,575.38 : 1,064,766.99 = 260,236.34 : x
  2. Step 2: Convert to fraction form
    709,575.38/1,064,766.99 = 260,236.34/x
  3. Step 3: Cross multiply
    709,575.38x = 1,064,766.99 × 260,236.34
  4. Step 4: Simplify right side
    709,575.38x = 277,091,064,430.42
  5. Step 5: Solve for x
    x = 277,091,064,430.42/709,575.38
  6. Step 6: Final answer
    x = 390,502.65

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Half scale
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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.