Home / 880,642.80-1,320,834.60-249,620.40

Finding the Fourth Proportional to 880,642.80, 1,320,834.60 and 249,620.40

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Solution

The fourth proportional to 880,642.80, 1,320,834.60 and 249,620.40 is: 374,393.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,642.80 : 1,320,834.60 = 249,620.40 : x
  2. Step 2: Convert to fraction form
    880,642.80/1,320,834.60 = 249,620.40/x
  3. Step 3: Cross multiply
    880,642.80x = 1,320,834.60 × 249,620.40
  4. Step 4: Simplify right side
    880,642.80x = 329,707,261,185.84
  5. Step 5: Solve for x
    x = 329,707,261,185.84/880,642.80
  6. Step 6: Final answer
    x = 374,393.86

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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.