Home / 806,565.60-1,208,390.40-469,330.20

Finding the Fourth Proportional to 806,565.60, 1,208,390.40 and 469,330.20

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Solution

The fourth proportional to 806,565.60, 1,208,390.40 and 469,330.20 is: 703,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,565.60 : 1,208,390.40 = 469,330.20 : x
  2. Step 2: Convert to fraction form
    806,565.60/1,208,390.40 = 469,330.20/x
  3. Step 3: Cross multiply
    806,565.60x = 1,208,390.40 × 469,330.20
  4. Step 4: Simplify right side
    806,565.60x = 567,134,108,110.08
  5. Step 5: Solve for x
    x = 567,134,108,110.08/806,565.60
  6. Step 6: Final answer
    x = 703,146.91

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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.