Home / 651,310.15-898,836.65-360,920.89

Finding the Fourth Proportional to 651,310.15, 898,836.65 and 360,920.89

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Solution

The fourth proportional to 651,310.15, 898,836.65 and 360,920.89 is: 498,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,310.15 : 898,836.65 = 360,920.89 : x
  2. Step 2: Convert to fraction form
    651,310.15/898,836.65 = 360,920.89/x
  3. Step 3: Cross multiply
    651,310.15x = 898,836.65 × 360,920.89
  4. Step 4: Simplify right side
    651,310.15x = 324,408,921,878.01
  5. Step 5: Solve for x
    x = 324,408,921,878.01/651,310.15
  6. Step 6: Final answer
    x = 498,086.70

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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.