Home / 769,809.60-1,062,294.30-425,625.60

Finding the Fourth Proportional to 769,809.60, 1,062,294.30 and 425,625.60

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Solution

The fourth proportional to 769,809.60, 1,062,294.30 and 425,625.60 is: 587,339.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,809.60 : 1,062,294.30 = 425,625.60 : x
  2. Step 2: Convert to fraction form
    769,809.60/1,062,294.30 = 425,625.60/x
  3. Step 3: Cross multiply
    769,809.60x = 1,062,294.30 × 425,625.60
  4. Step 4: Simplify right side
    769,809.60x = 452,139,648,814.08
  5. Step 5: Solve for x
    x = 452,139,648,814.08/769,809.60
  6. Step 6: Final answer
    x = 587,339.58

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Double scale
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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.