Home / 709,862.80-1,064,794.20-681,869.20

Finding the Fourth Proportional to 709,862.80, 1,064,794.20 and 681,869.20

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Solution

The fourth proportional to 709,862.80, 1,064,794.20 and 681,869.20 is: 1,022,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,862.80 : 1,064,794.20 = 681,869.20 : x
  2. Step 2: Convert to fraction form
    709,862.80/1,064,794.20 = 681,869.20/x
  3. Step 3: Cross multiply
    709,862.80x = 1,064,794.20 × 681,869.20
  4. Step 4: Simplify right side
    709,862.80x = 726,050,369,318.64
  5. Step 5: Solve for x
    x = 726,050,369,318.64/709,862.80
  6. Step 6: Final answer
    x = 1,022,803.80

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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.