Home / 769,435.91-1,061,876.50-425,264.45

Finding the Fourth Proportional to 769,435.91, 1,061,876.50 and 425,264.45

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Solution

The fourth proportional to 769,435.91, 1,061,876.50 and 425,264.45 is: 586,895.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,435.91 : 1,061,876.50 = 425,264.45 : x
  2. Step 2: Convert to fraction form
    769,435.91/1,061,876.50 = 425,264.45/x
  3. Step 3: Cross multiply
    769,435.91x = 1,061,876.50 × 425,264.45
  4. Step 4: Simplify right side
    769,435.91x = 451,578,325,740.43
  5. Step 5: Solve for x
    x = 451,578,325,740.43/769,435.91
  6. Step 6: Final answer
    x = 586,895.31

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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.