Home / 999,520.28-1,379,371.20-546,811.28

Finding the Fourth Proportional to 999,520.28, 1,379,371.20 and 546,811.28

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Solution

The fourth proportional to 999,520.28, 1,379,371.20 and 546,811.28 is: 754,617.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,520.28 : 1,379,371.20 = 546,811.28 : x
  2. Step 2: Convert to fraction form
    999,520.28/1,379,371.20 = 546,811.28/x
  3. Step 3: Cross multiply
    999,520.28x = 1,379,371.20 × 546,811.28
  4. Step 4: Simplify right side
    999,520.28x = 754,255,731,467.14
  5. Step 5: Solve for x
    x = 754,255,731,467.14/999,520.28
  6. Step 6: Final answer
    x = 754,617.74

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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.