Home / 661,818.67-913,292.03-375,332.61

Finding the Fourth Proportional to 661,818.67, 913,292.03 and 375,332.61

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Solution

The fourth proportional to 661,818.67, 913,292.03 and 375,332.61 is: 517,948.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,818.67 : 913,292.03 = 375,332.61 : x
  2. Step 2: Convert to fraction form
    661,818.67/913,292.03 = 375,332.61/x
  3. Step 3: Cross multiply
    661,818.67x = 913,292.03 × 375,332.61
  4. Step 4: Simplify right side
    661,818.67x = 342,788,276,745.64
  5. Step 5: Solve for x
    x = 342,788,276,745.64/661,818.67
  6. Step 6: Final answer
    x = 517,948.94

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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.