Home / 865,801.28-1,194,783.48-483,831.20

Finding the Fourth Proportional to 865,801.28, 1,194,783.48 and 483,831.20

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Solution

The fourth proportional to 865,801.28, 1,194,783.48 and 483,831.20 is: 667,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,801.28 : 1,194,783.48 = 483,831.20 : x
  2. Step 2: Convert to fraction form
    865,801.28/1,194,783.48 = 483,831.20/x
  3. Step 3: Cross multiply
    865,801.28x = 1,194,783.48 × 483,831.20
  4. Step 4: Simplify right side
    865,801.28x = 578,073,524,868.58
  5. Step 5: Solve for x
    x = 578,073,524,868.58/865,801.28
  6. Step 6: Final answer
    x = 667,674.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.