Home / 869,810.30-1,304,715.45-550,945.70

Finding the Fourth Proportional to 869,810.30, 1,304,715.45 and 550,945.70

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Solution

The fourth proportional to 869,810.30, 1,304,715.45 and 550,945.70 is: 826,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,810.30 : 1,304,715.45 = 550,945.70 : x
  2. Step 2: Convert to fraction form
    869,810.30/1,304,715.45 = 550,945.70/x
  3. Step 3: Cross multiply
    869,810.30x = 1,304,715.45 × 550,945.70
  4. Step 4: Simplify right side
    869,810.30x = 718,827,366,901.07
  5. Step 5: Solve for x
    x = 718,827,366,901.07/869,810.30
  6. Step 6: Final answer
    x = 826,418.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.