Home / 902,145.69-1,244,907.63-494,166.51

Finding the Fourth Proportional to 902,145.69, 1,244,907.63 and 494,166.51

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Solution

The fourth proportional to 902,145.69, 1,244,907.63 and 494,166.51 is: 681,920.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,145.69 : 1,244,907.63 = 494,166.51 : x
  2. Step 2: Convert to fraction form
    902,145.69/1,244,907.63 = 494,166.51/x
  3. Step 3: Cross multiply
    902,145.69x = 1,244,907.63 × 494,166.51
  4. Step 4: Simplify right side
    902,145.69x = 615,191,658,789.47
  5. Step 5: Solve for x
    x = 615,191,658,789.47/902,145.69
  6. Step 6: Final answer
    x = 681,920.52

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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.