Home / 717,707.67-1,076,525.71-268,395.50

Finding the Fourth Proportional to 717,707.67, 1,076,525.71 and 268,395.50

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Solution

The fourth proportional to 717,707.67, 1,076,525.71 and 268,395.50 is: 402,579.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,707.67 : 1,076,525.71 = 268,395.50 : x
  2. Step 2: Convert to fraction form
    717,707.67/1,076,525.71 = 268,395.50/x
  3. Step 3: Cross multiply
    717,707.67x = 1,076,525.71 × 268,395.50
  4. Step 4: Simplify right side
    717,707.67x = 288,934,652,836.00
  5. Step 5: Solve for x
    x = 288,934,652,836.00/717,707.67
  6. Step 6: Final answer
    x = 402,579.86

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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.