Home / 717,778.40-1,076,278.80-296,578.40

Finding the Fourth Proportional to 717,778.40, 1,076,278.80 and 296,578.40

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Solution

The fourth proportional to 717,778.40, 1,076,278.80 and 296,578.40 is: 444,706.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,778.40 : 1,076,278.80 = 296,578.40 : x
  2. Step 2: Convert to fraction form
    717,778.40/1,076,278.80 = 296,578.40/x
  3. Step 3: Cross multiply
    717,778.40x = 1,076,278.80 × 296,578.40
  4. Step 4: Simplify right side
    717,778.40x = 319,201,044,457.92
  5. Step 5: Solve for x
    x = 319,201,044,457.92/717,778.40
  6. Step 6: Final answer
    x = 444,706.95

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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.