Home / 407,884.20-562,630.79-242,199.89

Finding the Fourth Proportional to 407,884.20, 562,630.79 and 242,199.89

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Solution

The fourth proportional to 407,884.20, 562,630.79 and 242,199.89 is: 334,087.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,884.20 : 562,630.79 = 242,199.89 : x
  2. Step 2: Convert to fraction form
    407,884.20/562,630.79 = 242,199.89/x
  3. Step 3: Cross multiply
    407,884.20x = 562,630.79 × 242,199.89
  4. Step 4: Simplify right side
    407,884.20x = 136,269,111,424.46
  5. Step 5: Solve for x
    x = 136,269,111,424.46/407,884.20
  6. Step 6: Final answer
    x = 334,087.74

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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.