Home / 766,957.11-1,058,404.14-422,785.65

Finding the Fourth Proportional to 766,957.11, 1,058,404.14 and 422,785.65

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Solution

The fourth proportional to 766,957.11, 1,058,404.14 and 422,785.65 is: 583,446.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,957.11 : 1,058,404.14 = 422,785.65 : x
  2. Step 2: Convert to fraction form
    766,957.11/1,058,404.14 = 422,785.65/x
  3. Step 3: Cross multiply
    766,957.11x = 1,058,404.14 × 422,785.65
  4. Step 4: Simplify right side
    766,957.11x = 447,478,082,292.59
  5. Step 5: Solve for x
    x = 447,478,082,292.59/766,957.11
  6. Step 6: Final answer
    x = 583,446.03

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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.