Home / 824,617.26-1,138,526.28-514,991.52

Finding the Fourth Proportional to 824,617.26, 1,138,526.28 and 514,991.52

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Solution

The fourth proportional to 824,617.26, 1,138,526.28 and 514,991.52 is: 711,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,617.26 : 1,138,526.28 = 514,991.52 : x
  2. Step 2: Convert to fraction form
    824,617.26/1,138,526.28 = 514,991.52/x
  3. Step 3: Cross multiply
    824,617.26x = 1,138,526.28 × 514,991.52
  4. Step 4: Simplify right side
    824,617.26x = 586,331,379,497.15
  5. Step 5: Solve for x
    x = 586,331,379,497.15/824,617.26
  6. Step 6: Final answer
    x = 711,034.57

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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.