Home / 949,373.38-1,310,123.85-513,780.58

Finding the Fourth Proportional to 949,373.38, 1,310,123.85 and 513,780.58

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Solution

The fourth proportional to 949,373.38, 1,310,123.85 and 513,780.58 is: 709,011.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,373.38 : 1,310,123.85 = 513,780.58 : x
  2. Step 2: Convert to fraction form
    949,373.38/1,310,123.85 = 513,780.58/x
  3. Step 3: Cross multiply
    949,373.38x = 1,310,123.85 × 513,780.58
  4. Step 4: Simplify right side
    949,373.38x = 673,116,191,524.83
  5. Step 5: Solve for x
    x = 673,116,191,524.83/949,373.38
  6. Step 6: Final answer
    x = 709,011.02

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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.