Home / 589,657.80-884,292.30-215,632.20

Finding the Fourth Proportional to 589,657.80, 884,292.30 and 215,632.20

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Solution

The fourth proportional to 589,657.80, 884,292.30 and 215,632.20 is: 323,377.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,657.80 : 884,292.30 = 215,632.20 : x
  2. Step 2: Convert to fraction form
    589,657.80/884,292.30 = 215,632.20/x
  3. Step 3: Cross multiply
    589,657.80x = 884,292.30 × 215,632.20
  4. Step 4: Simplify right side
    589,657.80x = 190,681,894,092.06
  5. Step 5: Solve for x
    x = 190,681,894,092.06/589,657.80
  6. Step 6: Final answer
    x = 323,377.21

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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.