Home / 828,487.76-1,143,302.24-465,911.50

Finding the Fourth Proportional to 828,487.76, 1,143,302.24 and 465,911.50

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Solution

The fourth proportional to 828,487.76, 1,143,302.24 and 465,911.50 is: 642,951.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,487.76 : 1,143,302.24 = 465,911.50 : x
  2. Step 2: Convert to fraction form
    828,487.76/1,143,302.24 = 465,911.50/x
  3. Step 3: Cross multiply
    828,487.76x = 1,143,302.24 × 465,911.50
  4. Step 4: Simplify right side
    828,487.76x = 532,677,661,591.76
  5. Step 5: Solve for x
    x = 532,677,661,591.76/828,487.76
  6. Step 6: Final answer
    x = 642,951.76

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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.