Home / 779,635.13-1,169,919.25-336,403.13

Finding the Fourth Proportional to 779,635.13, 1,169,919.25 and 336,403.13

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Solution

The fourth proportional to 779,635.13, 1,169,919.25 and 336,403.13 is: 504,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,635.13 : 1,169,919.25 = 336,403.13 : x
  2. Step 2: Convert to fraction form
    779,635.13/1,169,919.25 = 336,403.13/x
  3. Step 3: Cross multiply
    779,635.13x = 1,169,919.25 × 336,403.13
  4. Step 4: Simplify right side
    779,635.13x = 393,564,490,856.65
  5. Step 5: Solve for x
    x = 393,564,490,856.65/779,635.13
  6. Step 6: Final answer
    x = 504,806.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.