Home / 875,459.27-1,207,928.10-531,287.51

Finding the Fourth Proportional to 875,459.27, 1,207,928.10 and 531,287.51

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Solution

The fourth proportional to 875,459.27, 1,207,928.10 and 531,287.51 is: 733,051.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,459.27 : 1,207,928.10 = 531,287.51 : x
  2. Step 2: Convert to fraction form
    875,459.27/1,207,928.10 = 531,287.51/x
  3. Step 3: Cross multiply
    875,459.27x = 1,207,928.10 × 531,287.51
  4. Step 4: Simplify right side
    875,459.27x = 641,757,112,508.03
  5. Step 5: Solve for x
    x = 641,757,112,508.03/875,459.27
  6. Step 6: Final answer
    x = 733,051.94

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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.