Home / 809,316.61-1,213,185.17-524,831.65

Finding the Fourth Proportional to 809,316.61, 1,213,185.17 and 524,831.65

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Solution

The fourth proportional to 809,316.61, 1,213,185.17 and 524,831.65 is: 786,735.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,316.61 : 1,213,185.17 = 524,831.65 : x
  2. Step 2: Convert to fraction form
    809,316.61/1,213,185.17 = 524,831.65/x
  3. Step 3: Cross multiply
    809,316.61x = 1,213,185.17 × 524,831.65
  4. Step 4: Simplify right side
    809,316.61x = 636,717,971,902.47
  5. Step 5: Solve for x
    x = 636,717,971,902.47/809,316.61
  6. Step 6: Final answer
    x = 786,735.33

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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.