Home / 769,910.83-1,062,483.83-425,769.92

Finding the Fourth Proportional to 769,910.83, 1,062,483.83 and 425,769.92

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Solution

The fourth proportional to 769,910.83, 1,062,483.83 and 425,769.92 is: 587,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,910.83 : 1,062,483.83 = 425,769.92 : x
  2. Step 2: Convert to fraction form
    769,910.83/1,062,483.83 = 425,769.92/x
  3. Step 3: Cross multiply
    769,910.83x = 1,062,483.83 × 425,769.92
  4. Step 4: Simplify right side
    769,910.83x = 452,373,655,827.75
  5. Step 5: Solve for x
    x = 452,373,655,827.75/769,910.83
  6. Step 6: Final answer
    x = 587,566.30

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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.