Home / 486,466.12-671,390.40-271,620.10

Finding the Fourth Proportional to 486,466.12, 671,390.40 and 271,620.10

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Solution

The fourth proportional to 486,466.12, 671,390.40 and 271,620.10 is: 374,873.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,466.12 : 671,390.40 = 271,620.10 : x
  2. Step 2: Convert to fraction form
    486,466.12/671,390.40 = 271,620.10/x
  3. Step 3: Cross multiply
    486,466.12x = 671,390.40 × 271,620.10
  4. Step 4: Simplify right side
    486,466.12x = 182,363,127,587.04
  5. Step 5: Solve for x
    x = 182,363,127,587.04/486,466.12
  6. Step 6: Final answer
    x = 374,873.23

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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.