Home / 902,036.94-1,244,338.98-557,762.78

Finding the Fourth Proportional to 902,036.94, 1,244,338.98 and 557,762.78

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Solution

The fourth proportional to 902,036.94, 1,244,338.98 and 557,762.78 is: 769,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,036.94 : 1,244,338.98 = 557,762.78 : x
  2. Step 2: Convert to fraction form
    902,036.94/1,244,338.98 = 557,762.78/x
  3. Step 3: Cross multiply
    902,036.94x = 1,244,338.98 × 557,762.78
  4. Step 4: Simplify right side
    902,036.94x = 694,045,968,747.16
  5. Step 5: Solve for x
    x = 694,045,968,747.16/902,036.94
  6. Step 6: Final answer
    x = 769,420.78

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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.