Home / 823,645.80-1,235,671.20-283,910.40

Finding the Fourth Proportional to 823,645.80, 1,235,671.20 and 283,910.40

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Solution

The fourth proportional to 823,645.80, 1,235,671.20 and 283,910.40 is: 425,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,645.80 : 1,235,671.20 = 283,910.40 : x
  2. Step 2: Convert to fraction form
    823,645.80/1,235,671.20 = 283,910.40/x
  3. Step 3: Cross multiply
    823,645.80x = 1,235,671.20 × 283,910.40
  4. Step 4: Simplify right side
    823,645.80x = 350,819,904,660.48
  5. Step 5: Solve for x
    x = 350,819,904,660.48/823,645.80
  6. Step 6: Final answer
    x = 425,935.40

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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.