Home / 999,098.38-1,378,788.57-546,389.38

Finding the Fourth Proportional to 999,098.38, 1,378,788.57 and 546,389.38

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Solution

The fourth proportional to 999,098.38, 1,378,788.57 and 546,389.38 is: 754,035.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,098.38 : 1,378,788.57 = 546,389.38 : x
  2. Step 2: Convert to fraction form
    999,098.38/1,378,788.57 = 546,389.38/x
  3. Step 3: Cross multiply
    999,098.38x = 1,378,788.57 × 546,389.38
  4. Step 4: Simplify right side
    999,098.38x = 753,355,422,287.50
  5. Step 5: Solve for x
    x = 753,355,422,287.50/999,098.38
  6. Step 6: Final answer
    x = 754,035.28

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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.