Home / 746,178.66-1,029,696.51-406,639.62

Finding the Fourth Proportional to 746,178.66, 1,029,696.51 and 406,639.62

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Solution

The fourth proportional to 746,178.66, 1,029,696.51 and 406,639.62 is: 561,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,178.66 : 1,029,696.51 = 406,639.62 : x
  2. Step 2: Convert to fraction form
    746,178.66/1,029,696.51 = 406,639.62/x
  3. Step 3: Cross multiply
    746,178.66x = 1,029,696.51 × 406,639.62
  4. Step 4: Simplify right side
    746,178.66x = 418,715,397,541.73
  5. Step 5: Solve for x
    x = 418,715,397,541.73/746,178.66
  6. Step 6: Final answer
    x = 561,146.30

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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.