Home / 686,704.18-1,030,011.15-237,320.50

Finding the Fourth Proportional to 686,704.18, 1,030,011.15 and 237,320.50

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Solution

The fourth proportional to 686,704.18, 1,030,011.15 and 237,320.50 is: 355,965.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,704.18 : 1,030,011.15 = 237,320.50 : x
  2. Step 2: Convert to fraction form
    686,704.18/1,030,011.15 = 237,320.50/x
  3. Step 3: Cross multiply
    686,704.18x = 1,030,011.15 × 237,320.50
  4. Step 4: Simplify right side
    686,704.18x = 244,442,761,123.58
  5. Step 5: Solve for x
    x = 244,442,761,123.58/686,704.18
  6. Step 6: Final answer
    x = 355,965.16

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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.