Home / 766,697.78-1,058,050.16-422,546.12

Finding the Fourth Proportional to 766,697.78, 1,058,050.16 and 422,546.12

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Solution

The fourth proportional to 766,697.78, 1,058,050.16 and 422,546.12 is: 583,117.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,697.78 : 1,058,050.16 = 422,546.12 : x
  2. Step 2: Convert to fraction form
    766,697.78/1,058,050.16 = 422,546.12/x
  3. Step 3: Cross multiply
    766,697.78x = 1,058,050.16 × 422,546.12
  4. Step 4: Simplify right side
    766,697.78x = 447,074,982,470.40
  5. Step 5: Solve for x
    x = 447,074,982,470.40/766,697.78
  6. Step 6: Final answer
    x = 583,117.62

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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.