Home / 762,154.03-1,142,234.43-312,348.27

Finding the Fourth Proportional to 762,154.03, 1,142,234.43 and 312,348.27

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Solution

The fourth proportional to 762,154.03, 1,142,234.43 and 312,348.27 is: 468,113.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,154.03 : 1,142,234.43 = 312,348.27 : x
  2. Step 2: Convert to fraction form
    762,154.03/1,142,234.43 = 312,348.27/x
  3. Step 3: Cross multiply
    762,154.03x = 1,142,234.43 × 312,348.27
  4. Step 4: Simplify right side
    762,154.03x = 356,774,948,144.94
  5. Step 5: Solve for x
    x = 356,774,948,144.94/762,154.03
  6. Step 6: Final answer
    x = 468,113.97

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Double scale
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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.