Home / 717,705.70-1,076,522.78-268,393.54

Finding the Fourth Proportional to 717,705.70, 1,076,522.78 and 268,393.54

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Solution

The fourth proportional to 717,705.70, 1,076,522.78 and 268,393.54 is: 402,576.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,705.70 : 1,076,522.78 = 268,393.54 : x
  2. Step 2: Convert to fraction form
    717,705.70/1,076,522.78 = 268,393.54/x
  3. Step 3: Cross multiply
    717,705.70x = 1,076,522.78 × 268,393.54
  4. Step 4: Simplify right side
    717,705.70x = 288,931,759,814.84
  5. Step 5: Solve for x
    x = 288,931,759,814.84/717,705.70
  6. Step 6: Final answer
    x = 402,576.93

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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.