Home / 817,130.68-1,225,704.60-248,604.36

Finding the Fourth Proportional to 817,130.68, 1,225,704.60 and 248,604.36

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Solution

The fourth proportional to 817,130.68, 1,225,704.60 and 248,604.36 is: 372,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,130.68 : 1,225,704.60 = 248,604.36 : x
  2. Step 2: Convert to fraction form
    817,130.68/1,225,704.60 = 248,604.36/x
  3. Step 3: Cross multiply
    817,130.68x = 1,225,704.60 × 248,604.36
  4. Step 4: Simplify right side
    817,130.68x = 304,715,507,632.06
  5. Step 5: Solve for x
    x = 304,715,507,632.06/817,130.68
  6. Step 6: Final answer
    x = 372,909.15

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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.