Home / 749,605.30-1,124,019.15-276,046.90

Finding the Fourth Proportional to 749,605.30, 1,124,019.15 and 276,046.90

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Solution

The fourth proportional to 749,605.30, 1,124,019.15 and 276,046.90 is: 413,927.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,605.30 : 1,124,019.15 = 276,046.90 : x
  2. Step 2: Convert to fraction form
    749,605.30/1,124,019.15 = 276,046.90/x
  3. Step 3: Cross multiply
    749,605.30x = 1,124,019.15 × 276,046.90
  4. Step 4: Simplify right side
    749,605.30x = 310,282,001,898.14
  5. Step 5: Solve for x
    x = 310,282,001,898.14/749,605.30
  6. Step 6: Final answer
    x = 413,927.17

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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.