Home / 675,200.40-1,012,800.60-437,254.80

Finding the Fourth Proportional to 675,200.40, 1,012,800.60 and 437,254.80

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Solution

The fourth proportional to 675,200.40, 1,012,800.60 and 437,254.80 is: 655,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,200.40 : 1,012,800.60 = 437,254.80 : x
  2. Step 2: Convert to fraction form
    675,200.40/1,012,800.60 = 437,254.80/x
  3. Step 3: Cross multiply
    675,200.40x = 1,012,800.60 × 437,254.80
  4. Step 4: Simplify right side
    675,200.40x = 442,851,923,792.88
  5. Step 5: Solve for x
    x = 442,851,923,792.88/675,200.40
  6. Step 6: Final answer
    x = 655,882.20

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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.