Home / 779,718.79-1,169,620.71-247,201.30

Finding the Fourth Proportional to 779,718.79, 1,169,620.71 and 247,201.30

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Solution

The fourth proportional to 779,718.79, 1,169,620.71 and 247,201.30 is: 370,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,718.79 : 1,169,620.71 = 247,201.30 : x
  2. Step 2: Convert to fraction form
    779,718.79/1,169,620.71 = 247,201.30/x
  3. Step 3: Cross multiply
    779,718.79x = 1,169,620.71 × 247,201.30
  4. Step 4: Simplify right side
    779,718.79x = 289,131,752,934.81
  5. Step 5: Solve for x
    x = 289,131,752,934.81/779,718.79
  6. Step 6: Final answer
    x = 370,815.43

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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.