Home / 939,937.49-1,409,468.83-340,874.45

Finding the Fourth Proportional to 939,937.49, 1,409,468.83 and 340,874.45

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Solution

The fourth proportional to 939,937.49, 1,409,468.83 and 340,874.45 is: 511,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,937.49 : 1,409,468.83 = 340,874.45 : x
  2. Step 2: Convert to fraction form
    939,937.49/1,409,468.83 = 340,874.45/x
  3. Step 3: Cross multiply
    939,937.49x = 1,409,468.83 × 340,874.45
  4. Step 4: Simplify right side
    939,937.49x = 480,451,912,218.39
  5. Step 5: Solve for x
    x = 480,451,912,218.39/939,937.49
  6. Step 6: Final answer
    x = 511,153.05

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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.