Home / 410,455.20-614,570.64-213,048.48

Finding the Fourth Proportional to 410,455.20, 614,570.64 and 213,048.48

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Solution

The fourth proportional to 410,455.20, 614,570.64 and 213,048.48 is: 318,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,455.20 : 614,570.64 = 213,048.48 : x
  2. Step 2: Convert to fraction form
    410,455.20/614,570.64 = 213,048.48/x
  3. Step 3: Cross multiply
    410,455.20x = 614,570.64 × 213,048.48
  4. Step 4: Simplify right side
    410,455.20x = 130,933,340,704.63
  5. Step 5: Solve for x
    x = 130,933,340,704.63/410,455.20
  6. Step 6: Final answer
    x = 318,995.45

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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.