Home / 925,810.80-1,385,605.80-645,874.80

Finding the Fourth Proportional to 925,810.80, 1,385,605.80 and 645,874.80

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Solution

The fourth proportional to 925,810.80, 1,385,605.80 and 645,874.80 is: 966,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,810.80 : 1,385,605.80 = 645,874.80 : x
  2. Step 2: Convert to fraction form
    925,810.80/1,385,605.80 = 645,874.80/x
  3. Step 3: Cross multiply
    925,810.80x = 1,385,605.80 × 645,874.80
  4. Step 4: Simplify right side
    925,810.80x = 894,927,868,953.84
  5. Step 5: Solve for x
    x = 894,927,868,953.84/925,810.80
  6. Step 6: Final answer
    x = 966,642.29

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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.