Home / 976,743.30-1,465,114.95-622,011.90

Finding the Fourth Proportional to 976,743.30, 1,465,114.95 and 622,011.90

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Solution

The fourth proportional to 976,743.30, 1,465,114.95 and 622,011.90 is: 933,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,743.30 : 1,465,114.95 = 622,011.90 : x
  2. Step 2: Convert to fraction form
    976,743.30/1,465,114.95 = 622,011.90/x
  3. Step 3: Cross multiply
    976,743.30x = 1,465,114.95 × 622,011.90
  4. Step 4: Simplify right side
    976,743.30x = 911,318,933,767.91
  5. Step 5: Solve for x
    x = 911,318,933,767.91/976,743.30
  6. Step 6: Final answer
    x = 933,017.85

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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.