Home / 868,293.90-1,303,633.85-442,116.04

Finding the Fourth Proportional to 868,293.90, 1,303,633.85 and 442,116.04

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Solution

The fourth proportional to 868,293.90, 1,303,633.85 and 442,116.04 is: 663,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,293.90 : 1,303,633.85 = 442,116.04 : x
  2. Step 2: Convert to fraction form
    868,293.90/1,303,633.85 = 442,116.04/x
  3. Step 3: Cross multiply
    868,293.90x = 1,303,633.85 × 442,116.04
  4. Step 4: Simplify right side
    868,293.90x = 576,357,435,371.95
  5. Step 5: Solve for x
    x = 576,357,435,371.95/868,293.90
  6. Step 6: Final answer
    x = 663,781.51

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1.5x scale

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.