Home / 763,434.84-1,144,977.24-342,831

Finding the Fourth Proportional to 763,434.84, 1,144,977.24 and 342,831

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Solution

The fourth proportional to 763,434.84, 1,144,977.24 and 342,831 is: 514,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,434.84 : 1,144,977.24 = 342,831 : x
  2. Step 2: Convert to fraction form
    763,434.84/1,144,977.24 = 342,831/x
  3. Step 3: Cross multiply
    763,434.84x = 1,144,977.24 × 342,831
  4. Step 4: Simplify right side
    763,434.84x = 392,533,692,166.44
  5. Step 5: Solve for x
    x = 392,533,692,166.44/763,434.84
  6. Step 6: Final answer
    x = 514,167.90

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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.