Home / 743,996.50-1,026,723.78-412,859.22

Finding the Fourth Proportional to 743,996.50, 1,026,723.78 and 412,859.22

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Solution

The fourth proportional to 743,996.50, 1,026,723.78 and 412,859.22 is: 569,750.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,996.50 : 1,026,723.78 = 412,859.22 : x
  2. Step 2: Convert to fraction form
    743,996.50/1,026,723.78 = 412,859.22/x
  3. Step 3: Cross multiply
    743,996.50x = 1,026,723.78 × 412,859.22
  4. Step 4: Simplify right side
    743,996.50x = 423,892,378,966.25
  5. Step 5: Solve for x
    x = 423,892,378,966.25/743,996.50
  6. Step 6: Final answer
    x = 569,750.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.