Home / 1,088,278.20-1,632,433.50-378,330.48

Finding the Fourth Proportional to 1,088,278.20, 1,632,433.50 and 378,330.48

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Solution

The fourth proportional to 1,088,278.20, 1,632,433.50 and 378,330.48 is: 567,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,278.20 : 1,632,433.50 = 378,330.48 : x
  2. Step 2: Convert to fraction form
    1,088,278.20/1,632,433.50 = 378,330.48/x
  3. Step 3: Cross multiply
    1,088,278.20x = 1,632,433.50 × 378,330.48
  4. Step 4: Simplify right side
    1,088,278.20x = 617,599,349,623.08
  5. Step 5: Solve for x
    x = 617,599,349,623.08/1,088,278.20
  6. Step 6: Final answer
    x = 567,501.35

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Double scale
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Similar ratio
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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.