Home / 975,718.40-1,463,140.20-442,965.20

Finding the Fourth Proportional to 975,718.40, 1,463,140.20 and 442,965.20

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Solution

The fourth proportional to 975,718.40, 1,463,140.20 and 442,965.20 is: 664,249.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,718.40 : 1,463,140.20 = 442,965.20 : x
  2. Step 2: Convert to fraction form
    975,718.40/1,463,140.20 = 442,965.20/x
  3. Step 3: Cross multiply
    975,718.40x = 1,463,140.20 × 442,965.20
  4. Step 4: Simplify right side
    975,718.40x = 648,120,191,321.04
  5. Step 5: Solve for x
    x = 648,120,191,321.04/975,718.40
  6. Step 6: Final answer
    x = 664,249.23

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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.