Home / 887,720.22-1,225,128.54-543,554.46

Finding the Fourth Proportional to 887,720.22, 1,225,128.54 and 543,554.46

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Solution

The fourth proportional to 887,720.22, 1,225,128.54 and 543,554.46 is: 750,150.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,720.22 : 1,225,128.54 = 543,554.46 : x
  2. Step 2: Convert to fraction form
    887,720.22/1,225,128.54 = 543,554.46/x
  3. Step 3: Cross multiply
    887,720.22x = 1,225,128.54 × 543,554.46
  4. Step 4: Simplify right side
    887,720.22x = 665,924,081,990.29
  5. Step 5: Solve for x
    x = 665,924,081,990.29/887,720.22
  6. Step 6: Final answer
    x = 750,150.85

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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.