Home / 779,728.77-1,169,738.94-247,106.79

Finding the Fourth Proportional to 779,728.77, 1,169,738.94 and 247,106.79

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Solution

The fourth proportional to 779,728.77, 1,169,738.94 and 247,106.79 is: 370,706.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,728.77 : 1,169,738.94 = 247,106.79 : x
  2. Step 2: Convert to fraction form
    779,728.77/1,169,738.94 = 247,106.79/x
  3. Step 3: Cross multiply
    779,728.77x = 1,169,738.94 × 247,106.79
  4. Step 4: Simplify right side
    779,728.77x = 289,050,434,601.40
  5. Step 5: Solve for x
    x = 289,050,434,601.40/779,728.77
  6. Step 6: Final answer
    x = 370,706.39

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Double scale
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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.