Home / 818,773.92-1,130,376.87-547,301.61

Finding the Fourth Proportional to 818,773.92, 1,130,376.87 and 547,301.61

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Solution

The fourth proportional to 818,773.92, 1,130,376.87 and 547,301.61 is: 755,589.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,773.92 : 1,130,376.87 = 547,301.61 : x
  2. Step 2: Convert to fraction form
    818,773.92/1,130,376.87 = 547,301.61/x
  3. Step 3: Cross multiply
    818,773.92x = 1,130,376.87 × 547,301.61
  4. Step 4: Simplify right side
    818,773.92x = 618,657,080,857.76
  5. Step 5: Solve for x
    x = 618,657,080,857.76/818,773.92
  6. Step 6: Final answer
    x = 755,589.63

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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.