Home / 726,272.80-1,087,258.80-540,109.60

Finding the Fourth Proportional to 726,272.80, 1,087,258.80 and 540,109.60

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Solution

The fourth proportional to 726,272.80, 1,087,258.80 and 540,109.60 is: 808,565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,272.80 : 1,087,258.80 = 540,109.60 : x
  2. Step 2: Convert to fraction form
    726,272.80/1,087,258.80 = 540,109.60/x
  3. Step 3: Cross multiply
    726,272.80x = 1,087,258.80 × 540,109.60
  4. Step 4: Simplify right side
    726,272.80x = 587,238,915,564.48
  5. Step 5: Solve for x
    x = 587,238,915,564.48/726,272.80
  6. Step 6: Final answer
    x = 808,565.21

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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.