Home / 849,444.78-1,172,233.46-467,471.56

Finding the Fourth Proportional to 849,444.78, 1,172,233.46 and 467,471.56

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Solution

The fourth proportional to 849,444.78, 1,172,233.46 and 467,471.56 is: 645,110.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,444.78 : 1,172,233.46 = 467,471.56 : x
  2. Step 2: Convert to fraction form
    849,444.78/1,172,233.46 = 467,471.56/x
  3. Step 3: Cross multiply
    849,444.78x = 1,172,233.46 × 467,471.56
  4. Step 4: Simplify right side
    849,444.78x = 547,985,804,823.62
  5. Step 5: Solve for x
    x = 547,985,804,823.62/849,444.78
  6. Step 6: Final answer
    x = 645,110.57

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.