Home / 651,236.79-898,734.65-379,260.80

Finding the Fourth Proportional to 651,236.79, 898,734.65 and 379,260.80

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Solution

The fourth proportional to 651,236.79, 898,734.65 and 379,260.80 is: 523,396.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,236.79 : 898,734.65 = 379,260.80 : x
  2. Step 2: Convert to fraction form
    651,236.79/898,734.65 = 379,260.80/x
  3. Step 3: Cross multiply
    651,236.79x = 898,734.65 × 379,260.80
  4. Step 4: Simplify right side
    651,236.79x = 340,854,815,956.74
  5. Step 5: Solve for x
    x = 340,854,815,956.74/651,236.79
  6. Step 6: Final answer
    x = 523,396.13

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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.