Home / 747,292.32-1,121,536.26-392,515.56

Finding the Fourth Proportional to 747,292.32, 1,121,536.26 and 392,515.56

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Solution

The fourth proportional to 747,292.32, 1,121,536.26 and 392,515.56 is: 589,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,292.32 : 1,121,536.26 = 392,515.56 : x
  2. Step 2: Convert to fraction form
    747,292.32/1,121,536.26 = 392,515.56/x
  3. Step 3: Cross multiply
    747,292.32x = 1,121,536.26 × 392,515.56
  4. Step 4: Simplify right side
    747,292.32x = 440,220,433,154.21
  5. Step 5: Solve for x
    x = 440,220,433,154.21/747,292.32
  6. Step 6: Final answer
    x = 589,087.32

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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.