Home / 849,290.88-1,172,209.92-665,162.88

Finding the Fourth Proportional to 849,290.88, 1,172,209.92 and 665,162.88

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Solution

The fourth proportional to 849,290.88, 1,172,209.92 and 665,162.88 is: 918,072.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,290.88 : 1,172,209.92 = 665,162.88 : x
  2. Step 2: Convert to fraction form
    849,290.88/1,172,209.92 = 665,162.88/x
  3. Step 3: Cross multiply
    849,290.88x = 1,172,209.92 × 665,162.88
  4. Step 4: Simplify right side
    849,290.88x = 779,710,526,351.77
  5. Step 5: Solve for x
    x = 779,710,526,351.77/849,290.88
  6. Step 6: Final answer
    x = 918,072.41

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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.