Home / 729,113.72-1,006,185.86-423,261

Finding the Fourth Proportional to 729,113.72, 1,006,185.86 and 423,261

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Solution

The fourth proportional to 729,113.72, 1,006,185.86 and 423,261 is: 584,105.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,113.72 : 1,006,185.86 = 423,261 : x
  2. Step 2: Convert to fraction form
    729,113.72/1,006,185.86 = 423,261/x
  3. Step 3: Cross multiply
    729,113.72x = 1,006,185.86 × 423,261
  4. Step 4: Simplify right side
    729,113.72x = 425,879,233,289.46
  5. Step 5: Solve for x
    x = 425,879,233,289.46/729,113.72
  6. Step 6: Final answer
    x = 584,105.36

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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.