Home / 875,833.05-1,208,685.48-553,425.51

Finding the Fourth Proportional to 875,833.05, 1,208,685.48 and 553,425.51

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Solution

The fourth proportional to 875,833.05, 1,208,685.48 and 553,425.51 is: 763,749.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,833.05 : 1,208,685.48 = 553,425.51 : x
  2. Step 2: Convert to fraction form
    875,833.05/1,208,685.48 = 553,425.51/x
  3. Step 3: Cross multiply
    875,833.05x = 1,208,685.48 × 553,425.51
  4. Step 4: Simplify right side
    875,833.05x = 668,917,378,198.60
  5. Step 5: Solve for x
    x = 668,917,378,198.60/875,833.05
  6. Step 6: Final answer
    x = 763,749.87

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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.