Home / 809,213.70-1,213,820.55-510,032.10

Finding the Fourth Proportional to 809,213.70, 1,213,820.55 and 510,032.10

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Solution

The fourth proportional to 809,213.70, 1,213,820.55 and 510,032.10 is: 765,048.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,213.70 : 1,213,820.55 = 510,032.10 : x
  2. Step 2: Convert to fraction form
    809,213.70/1,213,820.55 = 510,032.10/x
  3. Step 3: Cross multiply
    809,213.70x = 1,213,820.55 × 510,032.10
  4. Step 4: Simplify right side
    809,213.70x = 619,087,444,139.66
  5. Step 5: Solve for x
    x = 619,087,444,139.66/809,213.70
  6. Step 6: Final answer
    x = 765,048.15

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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.