Home / 712,112.22-982,714.77-389,822.52

Finding the Fourth Proportional to 712,112.22, 982,714.77 and 389,822.52

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Solution

The fourth proportional to 712,112.22, 982,714.77 and 389,822.52 is: 537,955.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,112.22 : 982,714.77 = 389,822.52 : x
  2. Step 2: Convert to fraction form
    712,112.22/982,714.77 = 389,822.52/x
  3. Step 3: Cross multiply
    712,112.22x = 982,714.77 × 389,822.52
  4. Step 4: Simplify right side
    712,112.22x = 383,084,348,082.62
  5. Step 5: Solve for x
    x = 383,084,348,082.62/712,112.22
  6. Step 6: Final answer
    x = 537,955.03

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1.5x scale

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.