Home / 680,604.81-1,018,342.11-406,035.61

Finding the Fourth Proportional to 680,604.81, 1,018,342.11 and 406,035.61

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Solution

The fourth proportional to 680,604.81, 1,018,342.11 and 406,035.61 is: 607,523.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,604.81 : 1,018,342.11 = 406,035.61 : x
  2. Step 2: Convert to fraction form
    680,604.81/1,018,342.11 = 406,035.61/x
  3. Step 3: Cross multiply
    680,604.81x = 1,018,342.11 × 406,035.61
  4. Step 4: Simplify right side
    680,604.81x = 413,483,164,527.49
  5. Step 5: Solve for x
    x = 413,483,164,527.49/680,604.81
  6. Step 6: Final answer
    x = 607,523.13

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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.