Home / 832,316.80-1,248,475.20-299,855.20

Finding the Fourth Proportional to 832,316.80, 1,248,475.20 and 299,855.20

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Solution

The fourth proportional to 832,316.80, 1,248,475.20 and 299,855.20 is: 449,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,316.80 : 1,248,475.20 = 299,855.20 : x
  2. Step 2: Convert to fraction form
    832,316.80/1,248,475.20 = 299,855.20/x
  3. Step 3: Cross multiply
    832,316.80x = 1,248,475.20 × 299,855.20
  4. Step 4: Simplify right side
    832,316.80x = 374,361,780,791.04
  5. Step 5: Solve for x
    x = 374,361,780,791.04/832,316.80
  6. Step 6: Final answer
    x = 449,782.80

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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.