Home / 510,977.34-766,794.06-342,687.72

Finding the Fourth Proportional to 510,977.34, 766,794.06 and 342,687.72

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Solution

The fourth proportional to 510,977.34, 766,794.06 and 342,687.72 is: 514,251.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,977.34 : 766,794.06 = 342,687.72 : x
  2. Step 2: Convert to fraction form
    510,977.34/766,794.06 = 342,687.72/x
  3. Step 3: Cross multiply
    510,977.34x = 766,794.06 × 342,687.72
  4. Step 4: Simplify right side
    510,977.34x = 262,770,908,130.94
  5. Step 5: Solve for x
    x = 262,770,908,130.94/510,977.34
  6. Step 6: Final answer
    x = 514,251.59

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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.