Home / 902,042.76-1,244,347.08-557,768.64

Finding the Fourth Proportional to 902,042.76, 1,244,347.08 and 557,768.64

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Solution

The fourth proportional to 902,042.76, 1,244,347.08 and 557,768.64 is: 769,428.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,042.76 : 1,244,347.08 = 557,768.64 : x
  2. Step 2: Convert to fraction form
    902,042.76/1,244,347.08 = 557,768.64/x
  3. Step 3: Cross multiply
    902,042.76x = 1,244,347.08 × 557,768.64
  4. Step 4: Simplify right side
    902,042.76x = 694,057,778,499.57
  5. Step 5: Solve for x
    x = 694,057,778,499.57/902,042.76
  6. Step 6: Final answer
    x = 769,428.91

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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.