Home / 874,669.69-1,207,046.21-492,696.47

Finding the Fourth Proportional to 874,669.69, 1,207,046.21 and 492,696.47

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Solution

The fourth proportional to 874,669.69, 1,207,046.21 and 492,696.47 is: 679,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,669.69 : 1,207,046.21 = 492,696.47 : x
  2. Step 2: Convert to fraction form
    874,669.69/1,207,046.21 = 492,696.47/x
  3. Step 3: Cross multiply
    874,669.69x = 1,207,046.21 × 492,696.47
  4. Step 4: Simplify right side
    874,669.69x = 594,707,407,348.01
  5. Step 5: Solve for x
    x = 594,707,407,348.01/874,669.69
  6. Step 6: Final answer
    x = 679,922.28

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Double scale
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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.