Home / 718,474.80-1,077,712.20-540,015.60

Finding the Fourth Proportional to 718,474.80, 1,077,712.20 and 540,015.60

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Solution

The fourth proportional to 718,474.80, 1,077,712.20 and 540,015.60 is: 810,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,474.80 : 1,077,712.20 = 540,015.60 : x
  2. Step 2: Convert to fraction form
    718,474.80/1,077,712.20 = 540,015.60/x
  3. Step 3: Cross multiply
    718,474.80x = 1,077,712.20 × 540,015.60
  4. Step 4: Simplify right side
    718,474.80x = 581,981,400,310.32
  5. Step 5: Solve for x
    x = 581,981,400,310.32/718,474.80
  6. Step 6: Final answer
    x = 810,023.40

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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.