Home / 598,122.81-896,920.88-218,945.07

Finding the Fourth Proportional to 598,122.81, 896,920.88 and 218,945.07

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Solution

The fourth proportional to 598,122.81, 896,920.88 and 218,945.07 is: 328,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,122.81 : 896,920.88 = 218,945.07 : x
  2. Step 2: Convert to fraction form
    598,122.81/896,920.88 = 218,945.07/x
  3. Step 3: Cross multiply
    598,122.81x = 896,920.88 × 218,945.07
  4. Step 4: Simplify right side
    598,122.81x = 196,376,403,761.34
  5. Step 5: Solve for x
    x = 196,376,403,761.34/598,122.81
  6. Step 6: Final answer
    x = 328,321.21

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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.