Home / 674,438.40-1,011,715.20-231,206.40

Finding the Fourth Proportional to 674,438.40, 1,011,715.20 and 231,206.40

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Solution

The fourth proportional to 674,438.40, 1,011,715.20 and 231,206.40 is: 346,829.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,438.40 : 1,011,715.20 = 231,206.40 : x
  2. Step 2: Convert to fraction form
    674,438.40/1,011,715.20 = 231,206.40/x
  3. Step 3: Cross multiply
    674,438.40x = 1,011,715.20 × 231,206.40
  4. Step 4: Simplify right side
    674,438.40x = 233,915,029,217.28
  5. Step 5: Solve for x
    x = 233,915,029,217.28/674,438.40
  6. Step 6: Final answer
    x = 346,829.35

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Similar ratio
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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.