Home / 839,974.70-1,159,166.22-458,001.48

Finding the Fourth Proportional to 839,974.70, 1,159,166.22 and 458,001.48

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Solution

The fourth proportional to 839,974.70, 1,159,166.22 and 458,001.48 is: 632,042.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,974.70 : 1,159,166.22 = 458,001.48 : x
  2. Step 2: Convert to fraction form
    839,974.70/1,159,166.22 = 458,001.48/x
  3. Step 3: Cross multiply
    839,974.70x = 1,159,166.22 × 458,001.48
  4. Step 4: Simplify right side
    839,974.70x = 530,899,844,326.01
  5. Step 5: Solve for x
    x = 530,899,844,326.01/839,974.70
  6. Step 6: Final answer
    x = 632,042.66

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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.