Home / 674,548.16-930,867.36-372,747.20

Finding the Fourth Proportional to 674,548.16, 930,867.36 and 372,747.20

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Solution

The fourth proportional to 674,548.16, 930,867.36 and 372,747.20 is: 514,386.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,548.16 : 930,867.36 = 372,747.20 : x
  2. Step 2: Convert to fraction form
    674,548.16/930,867.36 = 372,747.20/x
  3. Step 3: Cross multiply
    674,548.16x = 930,867.36 × 372,747.20
  4. Step 4: Simplify right side
    674,548.16x = 346,978,202,011.39
  5. Step 5: Solve for x
    x = 346,978,202,011.39/674,548.16
  6. Step 6: Final answer
    x = 514,386.11

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Double scale
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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.