Home / 727,965.20-1,091,947.80-662,646.80

Finding the Fourth Proportional to 727,965.20, 1,091,947.80 and 662,646.80

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Solution

The fourth proportional to 727,965.20, 1,091,947.80 and 662,646.80 is: 993,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,965.20 : 1,091,947.80 = 662,646.80 : x
  2. Step 2: Convert to fraction form
    727,965.20/1,091,947.80 = 662,646.80/x
  3. Step 3: Cross multiply
    727,965.20x = 1,091,947.80 × 662,646.80
  4. Step 4: Simplify right side
    727,965.20x = 723,575,715,437.04
  5. Step 5: Solve for x
    x = 723,575,715,437.04/727,965.20
  6. Step 6: Final answer
    x = 993,970.20

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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.