Home / 746,109.75-1,029,631.59-406,578

Finding the Fourth Proportional to 746,109.75, 1,029,631.59 and 406,578

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Solution

The fourth proportional to 746,109.75, 1,029,631.59 and 406,578 is: 561,077.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,109.75 : 1,029,631.59 = 406,578 : x
  2. Step 2: Convert to fraction form
    746,109.75/1,029,631.59 = 406,578/x
  3. Step 3: Cross multiply
    746,109.75x = 1,029,631.59 × 406,578
  4. Step 4: Simplify right side
    746,109.75x = 418,625,552,599.02
  5. Step 5: Solve for x
    x = 418,625,552,599.02/746,109.75
  6. Step 6: Final answer
    x = 561,077.71

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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.