Home / 497,386.08-686,383.20-271,026.72

Finding the Fourth Proportional to 497,386.08, 686,383.20 and 271,026.72

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Solution

The fourth proportional to 497,386.08, 686,383.20 and 271,026.72 is: 374,011.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,386.08 : 686,383.20 = 271,026.72 : x
  2. Step 2: Convert to fraction form
    497,386.08/686,383.20 = 271,026.72/x
  3. Step 3: Cross multiply
    497,386.08x = 686,383.20 × 271,026.72
  4. Step 4: Simplify right side
    497,386.08x = 186,028,187,359.10
  5. Step 5: Solve for x
    x = 186,028,187,359.10/497,386.08
  6. Step 6: Final answer
    x = 374,011.65

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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.