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Finding the Fourth Proportional to 634,416.82, 951,323.91 and 368,258.92

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Solution

The fourth proportional to 634,416.82, 951,323.91 and 368,258.92 is: 552,213.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,416.82 : 951,323.91 = 368,258.92 : x
  2. Step 2: Convert to fraction form
    634,416.82/951,323.91 = 368,258.92/x
  3. Step 3: Cross multiply
    634,416.82x = 951,323.91 × 368,258.92
  4. Step 4: Simplify right side
    634,416.82x = 350,333,515,666.78
  5. Step 5: Solve for x
    x = 350,333,515,666.78/634,416.82
  6. Step 6: Final answer
    x = 552,213.47

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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.