Home / 880,831.34-1,321,274.42-419,108.14

Finding the Fourth Proportional to 880,831.34, 1,321,274.42 and 419,108.14

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Solution

The fourth proportional to 880,831.34, 1,321,274.42 and 419,108.14 is: 628,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,831.34 : 1,321,274.42 = 419,108.14 : x
  2. Step 2: Convert to fraction form
    880,831.34/1,321,274.42 = 419,108.14/x
  3. Step 3: Cross multiply
    880,831.34x = 1,321,274.42 × 419,108.14
  4. Step 4: Simplify right side
    880,831.34x = 553,756,864,595.78
  5. Step 5: Solve for x
    x = 553,756,864,595.78/880,831.34
  6. Step 6: Final answer
    x = 628,675.25

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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.