Home / 717,855.69-1,076,804.42-268,490.82

Finding the Fourth Proportional to 717,855.69, 1,076,804.42 and 268,490.82

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Solution

The fourth proportional to 717,855.69, 1,076,804.42 and 268,490.82 is: 402,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,855.69 : 1,076,804.42 = 268,490.82 : x
  2. Step 2: Convert to fraction form
    717,855.69/1,076,804.42 = 268,490.82/x
  3. Step 3: Cross multiply
    717,855.69x = 1,076,804.42 × 268,490.82
  4. Step 4: Simplify right side
    717,855.69x = 289,112,104,400.99
  5. Step 5: Solve for x
    x = 289,112,104,400.99/717,855.69
  6. Step 6: Final answer
    x = 402,744.05

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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.