Home / 961,931.04-1,327,225.92-621,990.24

Finding the Fourth Proportional to 961,931.04, 1,327,225.92 and 621,990.24

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Solution

The fourth proportional to 961,931.04, 1,327,225.92 and 621,990.24 is: 858,192.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,931.04 : 1,327,225.92 = 621,990.24 : x
  2. Step 2: Convert to fraction form
    961,931.04/1,327,225.92 = 621,990.24/x
  3. Step 3: Cross multiply
    961,931.04x = 1,327,225.92 × 621,990.24
  4. Step 4: Simplify right side
    961,931.04x = 825,521,568,515.02
  5. Step 5: Solve for x
    x = 825,521,568,515.02/961,931.04
  6. Step 6: Final answer
    x = 858,192.05

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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.