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Finding the Fourth Proportional to 550,799.74, 759,496.52 and 380,738.62

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Solution

The fourth proportional to 550,799.74, 759,496.52 and 380,738.62 is: 524,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,799.74 : 759,496.52 = 380,738.62 : x
  2. Step 2: Convert to fraction form
    550,799.74/759,496.52 = 380,738.62/x
  3. Step 3: Cross multiply
    550,799.74x = 759,496.52 × 380,738.62
  4. Step 4: Simplify right side
    550,799.74x = 289,169,656,919.60
  5. Step 5: Solve for x
    x = 289,169,656,919.60/550,799.74
  6. Step 6: Final answer
    x = 524,999.62

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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.