Home / 823,073.40-1,234,077.30-349,630.20

Finding the Fourth Proportional to 823,073.40, 1,234,077.30 and 349,630.20

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Solution

The fourth proportional to 823,073.40, 1,234,077.30 and 349,630.20 is: 524,218.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,073.40 : 1,234,077.30 = 349,630.20 : x
  2. Step 2: Convert to fraction form
    823,073.40/1,234,077.30 = 349,630.20/x
  3. Step 3: Cross multiply
    823,073.40x = 1,234,077.30 × 349,630.20
  4. Step 4: Simplify right side
    823,073.40x = 431,470,693,214.46
  5. Step 5: Solve for x
    x = 431,470,693,214.46/823,073.40
  6. Step 6: Final answer
    x = 524,218.97

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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.