Home / 872,215.84-1,308,831.30-366,740.20

Finding the Fourth Proportional to 872,215.84, 1,308,831.30 and 366,740.20

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Solution

The fourth proportional to 872,215.84, 1,308,831.30 and 366,740.20 is: 550,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,215.84 : 1,308,831.30 = 366,740.20 : x
  2. Step 2: Convert to fraction form
    872,215.84/1,308,831.30 = 366,740.20/x
  3. Step 3: Cross multiply
    872,215.84x = 1,308,831.30 × 366,740.20
  4. Step 4: Simplify right side
    872,215.84x = 480,001,052,728.26
  5. Step 5: Solve for x
    x = 480,001,052,728.26/872,215.84
  6. Step 6: Final answer
    x = 550,323.71

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1.5x scale

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.