Home / 723,821.96-1,085,026.79-344,640.82

Finding the Fourth Proportional to 723,821.96, 1,085,026.79 and 344,640.82

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Solution

The fourth proportional to 723,821.96, 1,085,026.79 and 344,640.82 is: 516,625.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,821.96 : 1,085,026.79 = 344,640.82 : x
  2. Step 2: Convert to fraction form
    723,821.96/1,085,026.79 = 344,640.82/x
  3. Step 3: Cross multiply
    723,821.96x = 1,085,026.79 × 344,640.82
  4. Step 4: Simplify right side
    723,821.96x = 373,944,518,191.80
  5. Step 5: Solve for x
    x = 373,944,518,191.80/723,821.96
  6. Step 6: Final answer
    x = 516,625.00

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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.