Home / 999,618.28-1,379,507.64-546,909.28

Finding the Fourth Proportional to 999,618.28, 1,379,507.64 and 546,909.28

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Solution

The fourth proportional to 999,618.28, 1,379,507.64 and 546,909.28 is: 754,753.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,618.28 : 1,379,507.64 = 546,909.28 : x
  2. Step 2: Convert to fraction form
    999,618.28/1,379,507.64 = 546,909.28/x
  3. Step 3: Cross multiply
    999,618.28x = 1,379,507.64 × 546,909.28
  4. Step 4: Simplify right side
    999,618.28x = 754,465,530,146.90
  5. Step 5: Solve for x
    x = 754,465,530,146.90/999,618.28
  6. Step 6: Final answer
    x = 754,753.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.