Home / 687,162.24-949,192.74-572,814.72

Finding the Fourth Proportional to 687,162.24, 949,192.74 and 572,814.72

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Solution

The fourth proportional to 687,162.24, 949,192.74 and 572,814.72 is: 791,241.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,162.24 : 949,192.74 = 572,814.72 : x
  2. Step 2: Convert to fraction form
    687,162.24/949,192.74 = 572,814.72/x
  3. Step 3: Cross multiply
    687,162.24x = 949,192.74 × 572,814.72
  4. Step 4: Simplify right side
    687,162.24x = 543,711,573,589.13
  5. Step 5: Solve for x
    x = 543,711,573,589.13/687,162.24
  6. Step 6: Final answer
    x = 791,241.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.