Home / 887,141.18-1,224,253.61-505,167.95

Finding the Fourth Proportional to 887,141.18, 1,224,253.61 and 505,167.95

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Solution

The fourth proportional to 887,141.18, 1,224,253.61 and 505,167.95 is: 697,131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,141.18 : 1,224,253.61 = 505,167.95 : x
  2. Step 2: Convert to fraction form
    887,141.18/1,224,253.61 = 505,167.95/x
  3. Step 3: Cross multiply
    887,141.18x = 1,224,253.61 × 505,167.95
  4. Step 4: Simplify right side
    887,141.18x = 618,453,677,796.69
  5. Step 5: Solve for x
    x = 618,453,677,796.69/887,141.18
  6. Step 6: Final answer
    x = 697,131.07

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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.