Home / 717,581.43-1,076,504.58-296,890.11

Finding the Fourth Proportional to 717,581.43, 1,076,504.58 and 296,890.11

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Solution

The fourth proportional to 717,581.43, 1,076,504.58 and 296,890.11 is: 445,389.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,581.43 : 1,076,504.58 = 296,890.11 : x
  2. Step 2: Convert to fraction form
    717,581.43/1,076,504.58 = 296,890.11/x
  3. Step 3: Cross multiply
    717,581.43x = 1,076,504.58 × 296,890.11
  4. Step 4: Simplify right side
    717,581.43x = 319,603,563,171.70
  5. Step 5: Solve for x
    x = 319,603,563,171.70/717,581.43
  6. Step 6: Final answer
    x = 445,389.96

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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.