Home / 868,897.62-1,303,343.78-220,472.55

Finding the Fourth Proportional to 868,897.62, 1,303,343.78 and 220,472.55

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Solution

The fourth proportional to 868,897.62, 1,303,343.78 and 220,472.55 is: 330,708.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,897.62 : 1,303,343.78 = 220,472.55 : x
  2. Step 2: Convert to fraction form
    868,897.62/1,303,343.78 = 220,472.55/x
  3. Step 3: Cross multiply
    868,897.62x = 1,303,343.78 × 220,472.55
  4. Step 4: Simplify right side
    868,897.62x = 287,351,525,600.88
  5. Step 5: Solve for x
    x = 287,351,525,600.88/868,897.62
  6. Step 6: Final answer
    x = 330,708.15

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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.