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Finding the Fourth Proportional to 650,213.61, 897,258.69 and 363,678.35

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Solution

The fourth proportional to 650,213.61, 897,258.69 and 363,678.35 is: 501,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,213.61 : 897,258.69 = 363,678.35 : x
  2. Step 2: Convert to fraction form
    650,213.61/897,258.69 = 363,678.35/x
  3. Step 3: Cross multiply
    650,213.61x = 897,258.69 × 363,678.35
  4. Step 4: Simplify right side
    650,213.61x = 326,313,555,416.07
  5. Step 5: Solve for x
    x = 326,313,555,416.07/650,213.61
  6. Step 6: Final answer
    x = 501,855.93

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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.