Home / 537,757.24-742,022.76-311,359

Finding the Fourth Proportional to 537,757.24, 742,022.76 and 311,359

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Solution

The fourth proportional to 537,757.24, 742,022.76 and 311,359 is: 429,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,757.24 : 742,022.76 = 311,359 : x
  2. Step 2: Convert to fraction form
    537,757.24/742,022.76 = 311,359/x
  3. Step 3: Cross multiply
    537,757.24x = 742,022.76 × 311,359
  4. Step 4: Simplify right side
    537,757.24x = 231,035,464,530.84
  5. Step 5: Solve for x
    x = 231,035,464,530.84/537,757.24
  6. Step 6: Final answer
    x = 429,627.81

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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.