Home / 805,695.45-1,208,622.08-293,499.78

Finding the Fourth Proportional to 805,695.45, 1,208,622.08 and 293,499.78

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Solution

The fourth proportional to 805,695.45, 1,208,622.08 and 293,499.78 is: 440,278.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,695.45 : 1,208,622.08 = 293,499.78 : x
  2. Step 2: Convert to fraction form
    805,695.45/1,208,622.08 = 293,499.78/x
  3. Step 3: Cross multiply
    805,695.45x = 1,208,622.08 × 293,499.78
  4. Step 4: Simplify right side
    805,695.45x = 354,730,314,583.14
  5. Step 5: Solve for x
    x = 354,730,314,583.14/805,695.45
  6. Step 6: Final answer
    x = 440,278.41

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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.