Home / 718,064.46-1,077,281.24-268,791.80

Finding the Fourth Proportional to 718,064.46, 1,077,281.24 and 268,791.80

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Solution

The fourth proportional to 718,064.46, 1,077,281.24 and 268,791.80 is: 403,256.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,064.46 : 1,077,281.24 = 268,791.80 : x
  2. Step 2: Convert to fraction form
    718,064.46/1,077,281.24 = 268,791.80/x
  3. Step 3: Cross multiply
    718,064.46x = 1,077,281.24 × 268,791.80
  4. Step 4: Simplify right side
    718,064.46x = 289,564,356,875.47
  5. Step 5: Solve for x
    x = 289,564,356,875.47/718,064.46
  6. Step 6: Final answer
    x = 403,256.77

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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.