Home / 767,150.28-1,058,233.86-480,172.14

Finding the Fourth Proportional to 767,150.28, 1,058,233.86 and 480,172.14

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Solution

The fourth proportional to 767,150.28, 1,058,233.86 and 480,172.14 is: 662,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,150.28 : 1,058,233.86 = 480,172.14 : x
  2. Step 2: Convert to fraction form
    767,150.28/1,058,233.86 = 480,172.14/x
  3. Step 3: Cross multiply
    767,150.28x = 1,058,233.86 × 480,172.14
  4. Step 4: Simplify right side
    767,150.28x = 508,134,417,176.66
  5. Step 5: Solve for x
    x = 508,134,417,176.66/767,150.28
  6. Step 6: Final answer
    x = 662,366.20

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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.