Home / 766,937.85-1,058,434.68-422,834.67

Finding the Fourth Proportional to 766,937.85, 1,058,434.68 and 422,834.67

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Solution

The fourth proportional to 766,937.85, 1,058,434.68 and 422,834.67 is: 583,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,937.85 : 1,058,434.68 = 422,834.67 : x
  2. Step 2: Convert to fraction form
    766,937.85/1,058,434.68 = 422,834.67/x
  3. Step 3: Cross multiply
    766,937.85x = 1,058,434.68 × 422,834.67
  4. Step 4: Simplify right side
    766,937.85x = 447,542,878,634.36
  5. Step 5: Solve for x
    x = 447,542,878,634.36/766,937.85
  6. Step 6: Final answer
    x = 583,545.17

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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.