Home / 851,439.39-1,174,926.22-469,457.97

Finding the Fourth Proportional to 851,439.39, 1,174,926.22 and 469,457.97

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Solution

The fourth proportional to 851,439.39, 1,174,926.22 and 469,457.97 is: 647,818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,439.39 : 1,174,926.22 = 469,457.97 : x
  2. Step 2: Convert to fraction form
    851,439.39/1,174,926.22 = 469,457.97/x
  3. Step 3: Cross multiply
    851,439.39x = 1,174,926.22 × 469,457.97
  4. Step 4: Simplify right side
    851,439.39x = 551,578,478,140.97
  5. Step 5: Solve for x
    x = 551,578,478,140.97/851,439.39
  6. Step 6: Final answer
    x = 647,818.84

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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.