Home / 766,248.82-1,148,658.69-260,464.15

Finding the Fourth Proportional to 766,248.82, 1,148,658.69 and 260,464.15

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Solution

The fourth proportional to 766,248.82, 1,148,658.69 and 260,464.15 is: 390,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,248.82 : 1,148,658.69 = 260,464.15 : x
  2. Step 2: Convert to fraction form
    766,248.82/1,148,658.69 = 260,464.15/x
  3. Step 3: Cross multiply
    766,248.82x = 1,148,658.69 × 260,464.15
  4. Step 4: Simplify right side
    766,248.82x = 299,184,409,330.96
  5. Step 5: Solve for x
    x = 299,184,409,330.96/766,248.82
  6. Step 6: Final answer
    x = 390,453.34

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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.