Home / 388,746.72-582,363.50-219,755.84

Finding the Fourth Proportional to 388,746.72, 582,363.50 and 219,755.84

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Solution

The fourth proportional to 388,746.72, 582,363.50 and 219,755.84 is: 329,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,746.72 : 582,363.50 = 219,755.84 : x
  2. Step 2: Convert to fraction form
    388,746.72/582,363.50 = 219,755.84/x
  3. Step 3: Cross multiply
    388,746.72x = 582,363.50 × 219,755.84
  4. Step 4: Simplify right side
    388,746.72x = 127,977,776,117.24
  5. Step 5: Solve for x
    x = 127,977,776,117.24/388,746.72
  6. Step 6: Final answer
    x = 329,206.06

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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.