Home / 609,329.12-914,180.52-272,653.20

Finding the Fourth Proportional to 609,329.12, 914,180.52 and 272,653.20

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Solution

The fourth proportional to 609,329.12, 914,180.52 and 272,653.20 is: 409,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,329.12 : 914,180.52 = 272,653.20 : x
  2. Step 2: Convert to fraction form
    609,329.12/914,180.52 = 272,653.20/x
  3. Step 3: Cross multiply
    609,329.12x = 914,180.52 × 272,653.20
  4. Step 4: Simplify right side
    609,329.12x = 249,254,244,155.66
  5. Step 5: Solve for x
    x = 249,254,244,155.66/609,329.12
  6. Step 6: Final answer
    x = 409,063.40

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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.