Home / 609,830.40-914,155.20-272,680.32

Finding the Fourth Proportional to 609,830.40, 914,155.20 and 272,680.32

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Solution

The fourth proportional to 609,830.40, 914,155.20 and 272,680.32 is: 408,756.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,830.40 : 914,155.20 = 272,680.32 : x
  2. Step 2: Convert to fraction form
    609,830.40/914,155.20 = 272,680.32/x
  3. Step 3: Cross multiply
    609,830.40x = 914,155.20 × 272,680.32
  4. Step 4: Simplify right side
    609,830.40x = 249,272,132,465.66
  5. Step 5: Solve for x
    x = 249,272,132,465.66/609,830.40
  6. Step 6: Final answer
    x = 408,756.49

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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.