Home / 888,159.78-1,225,630.17-506,309.58

Finding the Fourth Proportional to 888,159.78, 1,225,630.17 and 506,309.58

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Solution

The fourth proportional to 888,159.78, 1,225,630.17 and 506,309.58 is: 698,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,159.78 : 1,225,630.17 = 506,309.58 : x
  2. Step 2: Convert to fraction form
    888,159.78/1,225,630.17 = 506,309.58/x
  3. Step 3: Cross multiply
    888,159.78x = 1,225,630.17 × 506,309.58
  4. Step 4: Simplify right side
    888,159.78x = 620,548,296,608.03
  5. Step 5: Solve for x
    x = 620,548,296,608.03/888,159.78
  6. Step 6: Final answer
    x = 698,689.93

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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.