Home / 609,259.12-914,107.36-272,271.60

Finding the Fourth Proportional to 609,259.12, 914,107.36 and 272,271.60

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Solution

The fourth proportional to 609,259.12, 914,107.36 and 272,271.60 is: 408,505.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,259.12 : 914,107.36 = 272,271.60 : x
  2. Step 2: Convert to fraction form
    609,259.12/914,107.36 = 272,271.60/x
  3. Step 3: Cross multiply
    609,259.12x = 914,107.36 × 272,271.60
  4. Step 4: Simplify right side
    609,259.12x = 248,885,473,478.98
  5. Step 5: Solve for x
    x = 248,885,473,478.98/609,259.12
  6. Step 6: Final answer
    x = 408,505.13

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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.