Home / 887,531.76-1,224,817.92-543,360.96

Finding the Fourth Proportional to 887,531.76, 1,224,817.92 and 543,360.96

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Solution

The fourth proportional to 887,531.76, 1,224,817.92 and 543,360.96 is: 749,852.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,531.76 : 1,224,817.92 = 543,360.96 : x
  2. Step 2: Convert to fraction form
    887,531.76/1,224,817.92 = 543,360.96/x
  3. Step 3: Cross multiply
    887,531.76x = 1,224,817.92 × 543,360.96
  4. Step 4: Simplify right side
    887,531.76x = 665,518,240,836.40
  5. Step 5: Solve for x
    x = 665,518,240,836.40/887,531.76
  6. Step 6: Final answer
    x = 749,852.87

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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.