Home / 729,601.73-1,006,564.43-423,625.85

Finding the Fourth Proportional to 729,601.73, 1,006,564.43 and 423,625.85

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Solution

The fourth proportional to 729,601.73, 1,006,564.43 and 423,625.85 is: 584,437.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,601.73 : 1,006,564.43 = 423,625.85 : x
  2. Step 2: Convert to fraction form
    729,601.73/1,006,564.43 = 423,625.85/x
  3. Step 3: Cross multiply
    729,601.73x = 1,006,564.43 × 423,625.85
  4. Step 4: Simplify right side
    729,601.73x = 426,406,710,120.39
  5. Step 5: Solve for x
    x = 426,406,710,120.39/729,601.73
  6. Step 6: Final answer
    x = 584,437.64

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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.