Home / 835,401.22-1,152,839.22-453,419.80

Finding the Fourth Proportional to 835,401.22, 1,152,839.22 and 453,419.80

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Solution

The fourth proportional to 835,401.22, 1,152,839.22 and 453,419.80 is: 625,711.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,401.22 : 1,152,839.22 = 453,419.80 : x
  2. Step 2: Convert to fraction form
    835,401.22/1,152,839.22 = 453,419.80/x
  3. Step 3: Cross multiply
    835,401.22x = 1,152,839.22 × 453,419.80
  4. Step 4: Simplify right side
    835,401.22x = 522,720,128,564.56
  5. Step 5: Solve for x
    x = 522,720,128,564.56/835,401.22
  6. Step 6: Final answer
    x = 625,711.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.