Home / 925,534.83-1,388,642.09-661,374.51

Finding the Fourth Proportional to 925,534.83, 1,388,642.09 and 661,374.51

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Solution

The fourth proportional to 925,534.83, 1,388,642.09 and 661,374.51 is: 992,304.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,534.83 : 1,388,642.09 = 661,374.51 : x
  2. Step 2: Convert to fraction form
    925,534.83/1,388,642.09 = 661,374.51/x
  3. Step 3: Cross multiply
    925,534.83x = 1,388,642.09 × 661,374.51
  4. Step 4: Simplify right side
    925,534.83x = 918,412,478,532.25
  5. Step 5: Solve for x
    x = 918,412,478,532.25/925,534.83
  6. Step 6: Final answer
    x = 992,304.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.