Home / 999,490.28-1,379,329.19-546,781.28

Finding the Fourth Proportional to 999,490.28, 1,379,329.19 and 546,781.28

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Solution

The fourth proportional to 999,490.28, 1,379,329.19 and 546,781.28 is: 754,576.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,490.28 : 1,379,329.19 = 546,781.28 : x
  2. Step 2: Convert to fraction form
    999,490.28/1,379,329.19 = 546,781.28/x
  3. Step 3: Cross multiply
    999,490.28x = 1,379,329.19 × 546,781.28
  4. Step 4: Simplify right side
    999,490.28x = 754,191,377,315.66
  5. Step 5: Solve for x
    x = 754,191,377,315.66/999,490.28
  6. Step 6: Final answer
    x = 754,576.00

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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.