Home / 779,975.75-1,169,963.09-293,749.61

Finding the Fourth Proportional to 779,975.75, 1,169,963.09 and 293,749.61

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Solution

The fourth proportional to 779,975.75, 1,169,963.09 and 293,749.61 is: 440,624.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,975.75 : 1,169,963.09 = 293,749.61 : x
  2. Step 2: Convert to fraction form
    779,975.75/1,169,963.09 = 293,749.61/x
  3. Step 3: Cross multiply
    779,975.75x = 1,169,963.09 × 293,749.61
  4. Step 4: Simplify right side
    779,975.75x = 343,676,199,933.15
  5. Step 5: Solve for x
    x = 343,676,199,933.15/779,975.75
  6. Step 6: Final answer
    x = 440,624.21

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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.