Home / 513,455.16-769,898.22-210,062.34

Finding the Fourth Proportional to 513,455.16, 769,898.22 and 210,062.34

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Solution

The fourth proportional to 513,455.16, 769,898.22 and 210,062.34 is: 314,977.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,455.16 : 769,898.22 = 210,062.34 : x
  2. Step 2: Convert to fraction form
    513,455.16/769,898.22 = 210,062.34/x
  3. Step 3: Cross multiply
    513,455.16x = 769,898.22 × 210,062.34
  4. Step 4: Simplify right side
    513,455.16x = 161,726,621,655.04
  5. Step 5: Solve for x
    x = 161,726,621,655.04/513,455.16
  6. Step 6: Final answer
    x = 314,977.11

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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.