Home / 908,765.70-1,363,148.55-731,618.70

Finding the Fourth Proportional to 908,765.70, 1,363,148.55 and 731,618.70

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Solution

The fourth proportional to 908,765.70, 1,363,148.55 and 731,618.70 is: 1,097,428.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,765.70 : 1,363,148.55 = 731,618.70 : x
  2. Step 2: Convert to fraction form
    908,765.70/1,363,148.55 = 731,618.70/x
  3. Step 3: Cross multiply
    908,765.70x = 1,363,148.55 × 731,618.70
  4. Step 4: Simplify right side
    908,765.70x = 997,304,970,057.89
  5. Step 5: Solve for x
    x = 997,304,970,057.89/908,765.70
  6. Step 6: Final answer
    x = 1,097,428.05

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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.