Home / 486,749.64-671,648.10-271,862.28

Finding the Fourth Proportional to 486,749.64, 671,648.10 and 271,862.28

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Solution

The fourth proportional to 486,749.64, 671,648.10 and 271,862.28 is: 375,132.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,749.64 : 671,648.10 = 271,862.28 : x
  2. Step 2: Convert to fraction form
    486,749.64/671,648.10 = 271,862.28/x
  3. Step 3: Cross multiply
    486,749.64x = 671,648.10 × 271,862.28
  4. Step 4: Simplify right side
    486,749.64x = 182,595,783,823.67
  5. Step 5: Solve for x
    x = 182,595,783,823.67/486,749.64
  6. Step 6: Final answer
    x = 375,132.86

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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.