Home / 976,930.47-1,465,436.71-266,956.46

Finding the Fourth Proportional to 976,930.47, 1,465,436.71 and 266,956.46

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Solution

The fourth proportional to 976,930.47, 1,465,436.71 and 266,956.46 is: 400,445.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,930.47 : 1,465,436.71 = 266,956.46 : x
  2. Step 2: Convert to fraction form
    976,930.47/1,465,436.71 = 266,956.46/x
  3. Step 3: Cross multiply
    976,930.47x = 1,465,436.71 × 266,956.46
  4. Step 4: Simplify right side
    976,930.47x = 391,207,794,957.55
  5. Step 5: Solve for x
    x = 391,207,794,957.55/976,930.47
  6. Step 6: Final answer
    x = 400,445.89

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1.5x scale

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.