Home / 690,291.51-1,035,507.96-264,185.69

Finding the Fourth Proportional to 690,291.51, 1,035,507.96 and 264,185.69

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Solution

The fourth proportional to 690,291.51, 1,035,507.96 and 264,185.69 is: 396,305.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,291.51 : 1,035,507.96 = 264,185.69 : x
  2. Step 2: Convert to fraction form
    690,291.51/1,035,507.96 = 264,185.69/x
  3. Step 3: Cross multiply
    690,291.51x = 1,035,507.96 × 264,185.69
  4. Step 4: Simplify right side
    690,291.51x = 273,566,387,501.86
  5. Step 5: Solve for x
    x = 273,566,387,501.86/690,291.51
  6. Step 6: Final answer
    x = 396,305.59

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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.