Home / 887,662.77-1,224,913.10-500,491.95

Finding the Fourth Proportional to 887,662.77, 1,224,913.10 and 500,491.95

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Solution

The fourth proportional to 887,662.77, 1,224,913.10 and 500,491.95 is: 690,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,662.77 : 1,224,913.10 = 500,491.95 : x
  2. Step 2: Convert to fraction form
    887,662.77/1,224,913.10 = 500,491.95/x
  3. Step 3: Cross multiply
    887,662.77x = 1,224,913.10 × 500,491.95
  4. Step 4: Simplify right side
    887,662.77x = 613,059,143,497.09
  5. Step 5: Solve for x
    x = 613,059,143,497.09/887,662.77
  6. Step 6: Final answer
    x = 690,644.20

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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.