Home / 518,986.17-716,184.67-304,269.24

Finding the Fourth Proportional to 518,986.17, 716,184.67 and 304,269.24

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Solution

The fourth proportional to 518,986.17, 716,184.67 and 304,269.24 is: 419,882.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,986.17 : 716,184.67 = 304,269.24 : x
  2. Step 2: Convert to fraction form
    518,986.17/716,184.67 = 304,269.24/x
  3. Step 3: Cross multiply
    518,986.17x = 716,184.67 × 304,269.24
  4. Step 4: Simplify right side
    518,986.17x = 217,912,963,719.21
  5. Step 5: Solve for x
    x = 217,912,963,719.21/518,986.17
  6. Step 6: Final answer
    x = 419,882.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.