Home / 350,864.85-484,074.56-286,222.34

Finding the Fourth Proportional to 350,864.85, 484,074.56 and 286,222.34

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Solution

The fourth proportional to 350,864.85, 484,074.56 and 286,222.34 is: 394,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,864.85 : 484,074.56 = 286,222.34 : x
  2. Step 2: Convert to fraction form
    350,864.85/484,074.56 = 286,222.34/x
  3. Step 3: Cross multiply
    350,864.85x = 484,074.56 × 286,222.34
  4. Step 4: Simplify right side
    350,864.85x = 138,552,955,223.41
  5. Step 5: Solve for x
    x = 138,552,955,223.41/350,864.85
  6. Step 6: Final answer
    x = 394,889.81

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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.