Home / 819,097.10-1,228,645.65-579,948.65

Finding the Fourth Proportional to 819,097.10, 1,228,645.65 and 579,948.65

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Solution

The fourth proportional to 819,097.10, 1,228,645.65 and 579,948.65 is: 869,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,097.10 : 1,228,645.65 = 579,948.65 : x
  2. Step 2: Convert to fraction form
    819,097.10/1,228,645.65 = 579,948.65/x
  3. Step 3: Cross multiply
    819,097.10x = 1,228,645.65 × 579,948.65
  4. Step 4: Simplify right side
    819,097.10x = 712,551,386,045.87
  5. Step 5: Solve for x
    x = 712,551,386,045.87/819,097.10
  6. Step 6: Final answer
    x = 869,922.98

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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.