Home / 989,819.76-1,365,954.90-537,110.76

Finding the Fourth Proportional to 989,819.76, 1,365,954.90 and 537,110.76

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Solution

The fourth proportional to 989,819.76, 1,365,954.90 and 537,110.76 is: 741,214.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,819.76 : 1,365,954.90 = 537,110.76 : x
  2. Step 2: Convert to fraction form
    989,819.76/1,365,954.90 = 537,110.76/x
  3. Step 3: Cross multiply
    989,819.76x = 1,365,954.90 × 537,110.76
  4. Step 4: Simplify right side
    989,819.76x = 733,669,074,464.72
  5. Step 5: Solve for x
    x = 733,669,074,464.72/989,819.76
  6. Step 6: Final answer
    x = 741,214.82

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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.