Home / 718,752.20-1,077,812.52-269,157.74

Finding the Fourth Proportional to 718,752.20, 1,077,812.52 and 269,157.74

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Solution

The fourth proportional to 718,752.20, 1,077,812.52 and 269,157.74 is: 403,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,752.20 : 1,077,812.52 = 269,157.74 : x
  2. Step 2: Convert to fraction form
    718,752.20/1,077,812.52 = 269,157.74/x
  3. Step 3: Cross multiply
    718,752.20x = 1,077,812.52 × 269,157.74
  4. Step 4: Simplify right side
    718,752.20x = 290,101,576,637.84
  5. Step 5: Solve for x
    x = 290,101,576,637.84/718,752.20
  6. Step 6: Final answer
    x = 403,618.35

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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.