Home / 605,045.30-907,766.66-305,384.18

Finding the Fourth Proportional to 605,045.30, 907,766.66 and 305,384.18

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Solution

The fourth proportional to 605,045.30, 907,766.66 and 305,384.18 is: 458,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,045.30 : 907,766.66 = 305,384.18 : x
  2. Step 2: Convert to fraction form
    605,045.30/907,766.66 = 305,384.18/x
  3. Step 3: Cross multiply
    605,045.30x = 907,766.66 × 305,384.18
  4. Step 4: Simplify right side
    605,045.30x = 277,217,573,320.07
  5. Step 5: Solve for x
    x = 277,217,573,320.07/605,045.30
  6. Step 6: Final answer
    x = 458,176.56

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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.