Home / 869,200.20-1,303,800.30-737,980.20

Finding the Fourth Proportional to 869,200.20, 1,303,800.30 and 737,980.20

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Solution

The fourth proportional to 869,200.20, 1,303,800.30 and 737,980.20 is: 1,106,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,200.20 : 1,303,800.30 = 737,980.20 : x
  2. Step 2: Convert to fraction form
    869,200.20/1,303,800.30 = 737,980.20/x
  3. Step 3: Cross multiply
    869,200.20x = 1,303,800.30 × 737,980.20
  4. Step 4: Simplify right side
    869,200.20x = 962,178,806,154.06
  5. Step 5: Solve for x
    x = 962,178,806,154.06/869,200.20
  6. Step 6: Final answer
    x = 1,106,970.30

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Similar ratio
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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.