Home / 413,568.20-619,574.70-213,206.60

Finding the Fourth Proportional to 413,568.20, 619,574.70 and 213,206.60

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Solution

The fourth proportional to 413,568.20, 619,574.70 and 213,206.60 is: 319,409.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,568.20 : 619,574.70 = 213,206.60 : x
  2. Step 2: Convert to fraction form
    413,568.20/619,574.70 = 213,206.60/x
  3. Step 3: Cross multiply
    413,568.20x = 619,574.70 × 213,206.60
  4. Step 4: Simplify right side
    413,568.20x = 132,097,415,233.02
  5. Step 5: Solve for x
    x = 132,097,415,233.02/413,568.20
  6. Step 6: Final answer
    x = 319,409.02

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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.