Home / 670,232.09-1,006,064.37-271,133.75

Finding the Fourth Proportional to 670,232.09, 1,006,064.37 and 271,133.75

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Solution

The fourth proportional to 670,232.09, 1,006,064.37 and 271,133.75 is: 406,990.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,232.09 : 1,006,064.37 = 271,133.75 : x
  2. Step 2: Convert to fraction form
    670,232.09/1,006,064.37 = 271,133.75/x
  3. Step 3: Cross multiply
    670,232.09x = 1,006,064.37 × 271,133.75
  4. Step 4: Simplify right side
    670,232.09x = 272,778,000,349.17
  5. Step 5: Solve for x
    x = 272,778,000,349.17/670,232.09
  6. Step 6: Final answer
    x = 406,990.36

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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.