Home / 651,097.20-976,062.60-426,565.20

Finding the Fourth Proportional to 651,097.20, 976,062.60 and 426,565.20

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Solution

The fourth proportional to 651,097.20, 976,062.60 and 426,565.20 is: 639,465.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,097.20 : 976,062.60 = 426,565.20 : x
  2. Step 2: Convert to fraction form
    651,097.20/976,062.60 = 426,565.20/x
  3. Step 3: Cross multiply
    651,097.20x = 976,062.60 × 426,565.20
  4. Step 4: Simplify right side
    651,097.20x = 416,354,338,181.52
  5. Step 5: Solve for x
    x = 416,354,338,181.52/651,097.20
  6. Step 6: Final answer
    x = 639,465.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.