Home / 746,063.69-1,029,569.20-406,531.94

Finding the Fourth Proportional to 746,063.69, 1,029,569.20 and 406,531.94

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Solution

The fourth proportional to 746,063.69, 1,029,569.20 and 406,531.94 is: 561,014.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,063.69 : 1,029,569.20 = 406,531.94 : x
  2. Step 2: Convert to fraction form
    746,063.69/1,029,569.20 = 406,531.94/x
  3. Step 3: Cross multiply
    746,063.69x = 1,029,569.20 × 406,531.94
  4. Step 4: Simplify right side
    746,063.69x = 418,552,758,076.07
  5. Step 5: Solve for x
    x = 418,552,758,076.07/746,063.69
  6. Step 6: Final answer
    x = 561,014.79

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1.5x scale

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.