Home / 717,710.50-1,076,529.97-268,398.33

Finding the Fourth Proportional to 717,710.50, 1,076,529.97 and 268,398.33

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Solution

The fourth proportional to 717,710.50, 1,076,529.97 and 268,398.33 is: 402,584.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,710.50 : 1,076,529.97 = 268,398.33 : x
  2. Step 2: Convert to fraction form
    717,710.50/1,076,529.97 = 268,398.33/x
  3. Step 3: Cross multiply
    717,710.50x = 1,076,529.97 × 268,398.33
  4. Step 4: Simplify right side
    717,710.50x = 288,938,850,769.81
  5. Step 5: Solve for x
    x = 288,938,850,769.81/717,710.50
  6. Step 6: Final answer
    x = 402,584.12

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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.