Home / 414,364.79-621,547.20-274,090.61

Finding the Fourth Proportional to 414,364.79, 621,547.20 and 274,090.61

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Solution

The fourth proportional to 414,364.79, 621,547.20 and 274,090.61 is: 411,135.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,364.79 : 621,547.20 = 274,090.61 : x
  2. Step 2: Convert to fraction form
    414,364.79/621,547.20 = 274,090.61/x
  3. Step 3: Cross multiply
    414,364.79x = 621,547.20 × 274,090.61
  4. Step 4: Simplify right side
    414,364.79x = 170,360,251,191.79
  5. Step 5: Solve for x
    x = 170,360,251,191.79/414,364.79
  6. Step 6: Final answer
    x = 411,135.92

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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.