Home / 976,910.70-1,465,366.05-578,001.90

Finding the Fourth Proportional to 976,910.70, 1,465,366.05 and 578,001.90

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Solution

The fourth proportional to 976,910.70, 1,465,366.05 and 578,001.90 is: 867,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,910.70 : 1,465,366.05 = 578,001.90 : x
  2. Step 2: Convert to fraction form
    976,910.70/1,465,366.05 = 578,001.90/x
  3. Step 3: Cross multiply
    976,910.70x = 1,465,366.05 × 578,001.90
  4. Step 4: Simplify right side
    976,910.70x = 846,984,361,095.50
  5. Step 5: Solve for x
    x = 846,984,361,095.50/976,910.70
  6. Step 6: Final answer
    x = 867,002.85

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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.