Home / 832,330.80-1,248,496.20-299,869.20

Finding the Fourth Proportional to 832,330.80, 1,248,496.20 and 299,869.20

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Solution

The fourth proportional to 832,330.80, 1,248,496.20 and 299,869.20 is: 449,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,330.80 : 1,248,496.20 = 299,869.20 : x
  2. Step 2: Convert to fraction form
    832,330.80/1,248,496.20 = 299,869.20/x
  3. Step 3: Cross multiply
    832,330.80x = 1,248,496.20 × 299,869.20
  4. Step 4: Simplify right side
    832,330.80x = 374,385,556,697.04
  5. Step 5: Solve for x
    x = 374,385,556,697.04/832,330.80
  6. Step 6: Final answer
    x = 449,803.80

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Double scale
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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.