Home / 766,882.92-1,058,345.78-422,718.07

Finding the Fourth Proportional to 766,882.92, 1,058,345.78 and 422,718.07

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Solution

The fourth proportional to 766,882.92, 1,058,345.78 and 422,718.07 is: 583,377.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,882.92 : 1,058,345.78 = 422,718.07 : x
  2. Step 2: Convert to fraction form
    766,882.92/1,058,345.78 = 422,718.07/x
  3. Step 3: Cross multiply
    766,882.92x = 1,058,345.78 × 422,718.07
  4. Step 4: Simplify right side
    766,882.92x = 447,381,885,514.25
  5. Step 5: Solve for x
    x = 447,381,885,514.25/766,882.92
  6. Step 6: Final answer
    x = 583,377.04

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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.