Home / 887,230.94-1,224,386.42-499,972.14

Finding the Fourth Proportional to 887,230.94, 1,224,386.42 and 499,972.14

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Solution

The fourth proportional to 887,230.94, 1,224,386.42 and 499,972.14 is: 689,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,230.94 : 1,224,386.42 = 499,972.14 : x
  2. Step 2: Convert to fraction form
    887,230.94/1,224,386.42 = 499,972.14/x
  3. Step 3: Cross multiply
    887,230.94x = 1,224,386.42 × 499,972.14
  4. Step 4: Simplify right side
    887,230.94x = 612,159,096,094.48
  5. Step 5: Solve for x
    x = 612,159,096,094.48/887,230.94
  6. Step 6: Final answer
    x = 689,965.91

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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.