Home / 725,100.34-1,000,907.95-622,714.66

Finding the Fourth Proportional to 725,100.34, 1,000,907.95 and 622,714.66

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Solution

The fourth proportional to 725,100.34, 1,000,907.95 and 622,714.66 is: 859,577.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,100.34 : 1,000,907.95 = 622,714.66 : x
  2. Step 2: Convert to fraction form
    725,100.34/1,000,907.95 = 622,714.66/x
  3. Step 3: Cross multiply
    725,100.34x = 1,000,907.95 × 622,714.66
  4. Step 4: Simplify right side
    725,100.34x = 623,280,053,775.55
  5. Step 5: Solve for x
    x = 623,280,053,775.55/725,100.34
  6. Step 6: Final answer
    x = 859,577.66

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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.