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Finding the Fourth Proportional to 703,484.58, 970,434.32 and 427,926.68

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Solution

The fourth proportional to 703,484.58, 970,434.32 and 427,926.68 is: 590,311.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,484.58 : 970,434.32 = 427,926.68 : x
  2. Step 2: Convert to fraction form
    703,484.58/970,434.32 = 427,926.68/x
  3. Step 3: Cross multiply
    703,484.58x = 970,434.32 × 427,926.68
  4. Step 4: Simplify right side
    703,484.58x = 415,274,731,863.49
  5. Step 5: Solve for x
    x = 415,274,731,863.49/703,484.58
  6. Step 6: Final answer
    x = 590,311.07

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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.