Home / 913,494.92-1,260,625.48-505,624.88

Finding the Fourth Proportional to 913,494.92, 1,260,625.48 and 505,624.88

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Solution

The fourth proportional to 913,494.92, 1,260,625.48 and 505,624.88 is: 697,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,494.92 : 1,260,625.48 = 505,624.88 : x
  2. Step 2: Convert to fraction form
    913,494.92/1,260,625.48 = 505,624.88/x
  3. Step 3: Cross multiply
    913,494.92x = 1,260,625.48 × 505,624.88
  4. Step 4: Simplify right side
    913,494.92x = 637,403,608,937.44
  5. Step 5: Solve for x
    x = 637,403,608,937.44/913,494.92
  6. Step 6: Final answer
    x = 697,763.72

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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.