Home / 705,636.18-1,060,553.88-331,921.62

Finding the Fourth Proportional to 705,636.18, 1,060,553.88 and 331,921.62

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Solution

The fourth proportional to 705,636.18, 1,060,553.88 and 331,921.62 is: 498,870.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,636.18 : 1,060,553.88 = 331,921.62 : x
  2. Step 2: Convert to fraction form
    705,636.18/1,060,553.88 = 331,921.62/x
  3. Step 3: Cross multiply
    705,636.18x = 1,060,553.88 × 331,921.62
  4. Step 4: Simplify right side
    705,636.18x = 352,020,761,946.89
  5. Step 5: Solve for x
    x = 352,020,761,946.89/705,636.18
  6. Step 6: Final answer
    x = 498,870.06

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1.5x scale

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.