Home / 913,181.18-1,259,904.39-550,715.90

Finding the Fourth Proportional to 913,181.18, 1,259,904.39 and 550,715.90

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Solution

The fourth proportional to 913,181.18, 1,259,904.39 and 550,715.90 is: 759,815.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,181.18 : 1,259,904.39 = 550,715.90 : x
  2. Step 2: Convert to fraction form
    913,181.18/1,259,904.39 = 550,715.90/x
  3. Step 3: Cross multiply
    913,181.18x = 1,259,904.39 × 550,715.90
  4. Step 4: Simplify right side
    913,181.18x = 693,849,380,052.80
  5. Step 5: Solve for x
    x = 693,849,380,052.80/913,181.18
  6. Step 6: Final answer
    x = 759,815.68

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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.