Home / 887,704.30-1,224,874.47-525,143.44

Finding the Fourth Proportional to 887,704.30, 1,224,874.47 and 525,143.44

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Solution

The fourth proportional to 887,704.30, 1,224,874.47 and 525,143.44 is: 724,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,704.30 : 1,224,874.47 = 525,143.44 : x
  2. Step 2: Convert to fraction form
    887,704.30/1,224,874.47 = 525,143.44/x
  3. Step 3: Cross multiply
    887,704.30x = 1,224,874.47 × 525,143.44
  4. Step 4: Simplify right side
    887,704.30x = 643,234,792,743.98
  5. Step 5: Solve for x
    x = 643,234,792,743.98/887,704.30
  6. Step 6: Final answer
    x = 724,604.80

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1.5x scale

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.