Home / 670,254.36-1,005,065.66-243,489.26

Finding the Fourth Proportional to 670,254.36, 1,005,065.66 and 243,489.26

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Solution

The fourth proportional to 670,254.36, 1,005,065.66 and 243,489.26 is: 365,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,254.36 : 1,005,065.66 = 243,489.26 : x
  2. Step 2: Convert to fraction form
    670,254.36/1,005,065.66 = 243,489.26/x
  3. Step 3: Cross multiply
    670,254.36x = 1,005,065.66 × 243,489.26
  4. Step 4: Simplify right side
    670,254.36x = 244,722,687,562.04
  5. Step 5: Solve for x
    x = 244,722,687,562.04/670,254.36
  6. Step 6: Final answer
    x = 365,119.13

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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.