Home / 763,255.36-1,145,052.80-250,943.68

Finding the Fourth Proportional to 763,255.36, 1,145,052.80 and 250,943.68

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Solution

The fourth proportional to 763,255.36, 1,145,052.80 and 250,943.68 is: 376,471.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,255.36 : 1,145,052.80 = 250,943.68 : x
  2. Step 2: Convert to fraction form
    763,255.36/1,145,052.80 = 250,943.68/x
  3. Step 3: Cross multiply
    763,255.36x = 1,145,052.80 × 250,943.68
  4. Step 4: Simplify right side
    763,255.36x = 287,343,763,426.30
  5. Step 5: Solve for x
    x = 287,343,763,426.30/763,255.36
  6. Step 6: Final answer
    x = 376,471.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.