Home / 746,446.78-1,119,670.18-247,810.78

Finding the Fourth Proportional to 746,446.78, 1,119,670.18 and 247,810.78

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Solution

The fourth proportional to 746,446.78, 1,119,670.18 and 247,810.78 is: 371,716.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,446.78 : 1,119,670.18 = 247,810.78 : x
  2. Step 2: Convert to fraction form
    746,446.78/1,119,670.18 = 247,810.78/x
  3. Step 3: Cross multiply
    746,446.78x = 1,119,670.18 × 247,810.78
  4. Step 4: Simplify right side
    746,446.78x = 277,466,341,428.60
  5. Step 5: Solve for x
    x = 277,466,341,428.60/746,446.78
  6. Step 6: Final answer
    x = 371,716.17

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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.