Home / 739,664.28-1,020,726.73-412,982.30

Finding the Fourth Proportional to 739,664.28, 1,020,726.73 and 412,982.30

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Solution

The fourth proportional to 739,664.28, 1,020,726.73 and 412,982.30 is: 569,910.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,664.28 : 1,020,726.73 = 412,982.30 : x
  2. Step 2: Convert to fraction form
    739,664.28/1,020,726.73 = 412,982.30/x
  3. Step 3: Cross multiply
    739,664.28x = 1,020,726.73 × 412,982.30
  4. Step 4: Simplify right side
    739,664.28x = 421,542,072,626.88
  5. Step 5: Solve for x
    x = 421,542,072,626.88/739,664.28
  6. Step 6: Final answer
    x = 569,910.00

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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.