Home / 989,034.80-1,483,672.34-279,062.91

Finding the Fourth Proportional to 989,034.80, 1,483,672.34 and 279,062.91

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Solution

The fourth proportional to 989,034.80, 1,483,672.34 and 279,062.91 is: 418,628.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,034.80 : 1,483,672.34 = 279,062.91 : x
  2. Step 2: Convert to fraction form
    989,034.80/1,483,672.34 = 279,062.91/x
  3. Step 3: Cross multiply
    989,034.80x = 1,483,672.34 × 279,062.91
  4. Step 4: Simplify right side
    989,034.80x = 414,037,919,291.60
  5. Step 5: Solve for x
    x = 414,037,919,291.60/989,034.80
  6. Step 6: Final answer
    x = 418,628.26

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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.