Home / 887,721.22-1,225,129.92-543,555.46

Finding the Fourth Proportional to 887,721.22, 1,225,129.92 and 543,555.46

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Solution

The fourth proportional to 887,721.22, 1,225,129.92 and 543,555.46 is: 750,152.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,721.22 : 1,225,129.92 = 543,555.46 : x
  2. Step 2: Convert to fraction form
    887,721.22/1,225,129.92 = 543,555.46/x
  3. Step 3: Cross multiply
    887,721.22x = 1,225,129.92 × 543,555.46
  4. Step 4: Simplify right side
    887,721.22x = 665,926,057,225.36
  5. Step 5: Solve for x
    x = 665,926,057,225.36/887,721.22
  6. Step 6: Final answer
    x = 750,152.23

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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.