Home / 887,471.28-1,330,812.36-550,498.32

Finding the Fourth Proportional to 887,471.28, 1,330,812.36 and 550,498.32

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Solution

The fourth proportional to 887,471.28, 1,330,812.36 and 550,498.32 is: 825,502.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,471.28 : 1,330,812.36 = 550,498.32 : x
  2. Step 2: Convert to fraction form
    887,471.28/1,330,812.36 = 550,498.32/x
  3. Step 3: Cross multiply
    887,471.28x = 1,330,812.36 × 550,498.32
  4. Step 4: Simplify right side
    887,471.28x = 732,609,968,415.24
  5. Step 5: Solve for x
    x = 732,609,968,415.24/887,471.28
  6. Step 6: Final answer
    x = 825,502.73

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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.