Home / 902,038.94-1,244,341.74-557,764.78

Finding the Fourth Proportional to 902,038.94, 1,244,341.74 and 557,764.78

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Solution

The fourth proportional to 902,038.94, 1,244,341.74 and 557,764.78 is: 769,423.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,038.94 : 1,244,341.74 = 557,764.78 : x
  2. Step 2: Convert to fraction form
    902,038.94/1,244,341.74 = 557,764.78/x
  3. Step 3: Cross multiply
    902,038.94x = 1,244,341.74 × 557,764.78
  4. Step 4: Simplify right side
    902,038.94x = 694,049,996,855.92
  5. Step 5: Solve for x
    x = 694,049,996,855.92/902,038.94
  6. Step 6: Final answer
    x = 769,423.54

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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.