Home / 509,024.55-702,462.35-279,603.06

Finding the Fourth Proportional to 509,024.55, 702,462.35 and 279,603.06

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Solution

The fourth proportional to 509,024.55, 702,462.35 and 279,603.06 is: 385,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,024.55 : 702,462.35 = 279,603.06 : x
  2. Step 2: Convert to fraction form
    509,024.55/702,462.35 = 279,603.06/x
  3. Step 3: Cross multiply
    509,024.55x = 702,462.35 × 279,603.06
  4. Step 4: Simplify right side
    509,024.55x = 196,410,621,196.78
  5. Step 5: Solve for x
    x = 196,410,621,196.78/509,024.55
  6. Step 6: Final answer
    x = 385,856.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.