Home / 990,819.27-1,486,800.92-535,412.05

Finding the Fourth Proportional to 990,819.27, 1,486,800.92 and 535,412.05

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Solution

The fourth proportional to 990,819.27, 1,486,800.92 and 535,412.05 is: 803,427.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,819.27 : 1,486,800.92 = 535,412.05 : x
  2. Step 2: Convert to fraction form
    990,819.27/1,486,800.92 = 535,412.05/x
  3. Step 3: Cross multiply
    990,819.27x = 1,486,800.92 × 535,412.05
  4. Step 4: Simplify right side
    990,819.27x = 796,051,126,140.61
  5. Step 5: Solve for x
    x = 796,051,126,140.61/990,819.27
  6. Step 6: Final answer
    x = 803,427.17

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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.