Home / 717,470.21-1,076,337.75-296,778.89

Finding the Fourth Proportional to 717,470.21, 1,076,337.75 and 296,778.89

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Solution

The fourth proportional to 717,470.21, 1,076,337.75 and 296,778.89 is: 445,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,470.21 : 1,076,337.75 = 296,778.89 : x
  2. Step 2: Convert to fraction form
    717,470.21/1,076,337.75 = 296,778.89/x
  3. Step 3: Cross multiply
    717,470.21x = 1,076,337.75 × 296,778.89
  4. Step 4: Simplify right side
    717,470.21x = 319,434,322,710.10
  5. Step 5: Solve for x
    x = 319,434,322,710.10/717,470.21
  6. Step 6: Final answer
    x = 445,223.12

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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.