Home / 486,941.60-671,966.80-272,083.43

Finding the Fourth Proportional to 486,941.60, 671,966.80 and 272,083.43

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Solution

The fourth proportional to 486,941.60, 671,966.80 and 272,083.43 is: 375,468.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,941.60 : 671,966.80 = 272,083.43 : x
  2. Step 2: Convert to fraction form
    486,941.60/671,966.80 = 272,083.43/x
  3. Step 3: Cross multiply
    486,941.60x = 671,966.80 × 272,083.43
  4. Step 4: Simplify right side
    486,941.60x = 182,831,031,790.12
  5. Step 5: Solve for x
    x = 182,831,031,790.12/486,941.60
  6. Step 6: Final answer
    x = 375,468.09

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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.