Home / 857,369.02-1,286,040.15-208,952.62

Finding the Fourth Proportional to 857,369.02, 1,286,040.15 and 208,952.62

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Solution

The fourth proportional to 857,369.02, 1,286,040.15 and 208,952.62 is: 313,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,369.02 : 1,286,040.15 = 208,952.62 : x
  2. Step 2: Convert to fraction form
    857,369.02/1,286,040.15 = 208,952.62/x
  3. Step 3: Cross multiply
    857,369.02x = 1,286,040.15 × 208,952.62
  4. Step 4: Simplify right side
    857,369.02x = 268,721,458,767.69
  5. Step 5: Solve for x
    x = 268,721,458,767.69/857,369.02
  6. Step 6: Final answer
    x = 313,425.67

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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.