Home / 887,641.76-1,224,967.20-538,786.16

Finding the Fourth Proportional to 887,641.76, 1,224,967.20 and 538,786.16

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Solution

The fourth proportional to 887,641.76, 1,224,967.20 and 538,786.16 is: 743,537.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,641.76 : 1,224,967.20 = 538,786.16 : x
  2. Step 2: Convert to fraction form
    887,641.76/1,224,967.20 = 538,786.16/x
  3. Step 3: Cross multiply
    887,641.76x = 1,224,967.20 × 538,786.16
  4. Step 4: Simplify right side
    887,641.76x = 659,995,373,813.95
  5. Step 5: Solve for x
    x = 659,995,373,813.95/887,641.76
  6. Step 6: Final answer
    x = 743,537.99

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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.