Home / 769,787.29-1,062,263.61-425,603.32

Finding the Fourth Proportional to 769,787.29, 1,062,263.61 and 425,603.32

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Solution

The fourth proportional to 769,787.29, 1,062,263.61 and 425,603.32 is: 587,308.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,787.29 : 1,062,263.61 = 425,603.32 : x
  2. Step 2: Convert to fraction form
    769,787.29/1,062,263.61 = 425,603.32/x
  3. Step 3: Cross multiply
    769,787.29x = 1,062,263.61 × 425,603.32
  4. Step 4: Simplify right side
    769,787.29x = 452,102,919,131.19
  5. Step 5: Solve for x
    x = 452,102,919,131.19/769,787.29
  6. Step 6: Final answer
    x = 587,308.89

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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.