Home / 869,082.80-1,303,624.20-308,044.40

Finding the Fourth Proportional to 869,082.80, 1,303,624.20 and 308,044.40

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Solution

The fourth proportional to 869,082.80, 1,303,624.20 and 308,044.40 is: 462,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,082.80 : 1,303,624.20 = 308,044.40 : x
  2. Step 2: Convert to fraction form
    869,082.80/1,303,624.20 = 308,044.40/x
  3. Step 3: Cross multiply
    869,082.80x = 1,303,624.20 × 308,044.40
  4. Step 4: Simplify right side
    869,082.80x = 401,574,134,514.48
  5. Step 5: Solve for x
    x = 401,574,134,514.48/869,082.80
  6. Step 6: Final answer
    x = 462,066.60

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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.