Home / 662,816.46-914,764.76-372,428.66

Finding the Fourth Proportional to 662,816.46, 914,764.76 and 372,428.66

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Solution

The fourth proportional to 662,816.46, 914,764.76 and 372,428.66 is: 513,995.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,816.46 : 914,764.76 = 372,428.66 : x
  2. Step 2: Convert to fraction form
    662,816.46/914,764.76 = 372,428.66/x
  3. Step 3: Cross multiply
    662,816.46x = 914,764.76 × 372,428.66
  4. Step 4: Simplify right side
    662,816.46x = 340,684,607,346.06
  5. Step 5: Solve for x
    x = 340,684,607,346.06/662,816.46
  6. Step 6: Final answer
    x = 513,995.39

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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.