Home / 409,024.03-564,476.45-245,730.48

Finding the Fourth Proportional to 409,024.03, 564,476.45 and 245,730.48

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Solution

The fourth proportional to 409,024.03, 564,476.45 and 245,730.48 is: 339,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,024.03 : 564,476.45 = 245,730.48 : x
  2. Step 2: Convert to fraction form
    409,024.03/564,476.45 = 245,730.48/x
  3. Step 3: Cross multiply
    409,024.03x = 564,476.45 × 245,730.48
  4. Step 4: Simplify right side
    409,024.03x = 138,709,067,778.54
  5. Step 5: Solve for x
    x = 138,709,067,778.54/409,024.03
  6. Step 6: Final answer
    x = 339,122.05

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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.