Home / 497,475.27-686,518.18-282,627.12

Finding the Fourth Proportional to 497,475.27, 686,518.18 and 282,627.12

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Solution

The fourth proportional to 497,475.27, 686,518.18 and 282,627.12 is: 390,026.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,475.27 : 686,518.18 = 282,627.12 : x
  2. Step 2: Convert to fraction form
    497,475.27/686,518.18 = 282,627.12/x
  3. Step 3: Cross multiply
    497,475.27x = 686,518.18 × 282,627.12
  4. Step 4: Simplify right side
    497,475.27x = 194,028,659,498.70
  5. Step 5: Solve for x
    x = 194,028,659,498.70/497,475.27
  6. Step 6: Final answer
    x = 390,026.74

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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.