Home / 747,476.78-1,121,174.91-368,019.18

Finding the Fourth Proportional to 747,476.78, 1,121,174.91 and 368,019.18

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Solution

The fourth proportional to 747,476.78, 1,121,174.91 and 368,019.18 is: 552,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,476.78 : 1,121,174.91 = 368,019.18 : x
  2. Step 2: Convert to fraction form
    747,476.78/1,121,174.91 = 368,019.18/x
  3. Step 3: Cross multiply
    747,476.78x = 1,121,174.91 × 368,019.18
  4. Step 4: Simplify right side
    747,476.78x = 412,613,871,014.77
  5. Step 5: Solve for x
    x = 412,613,871,014.77/747,476.78
  6. Step 6: Final answer
    x = 552,008.95

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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.