Home / 839,931.76-1,260,076.22-271,345.46

Finding the Fourth Proportional to 839,931.76, 1,260,076.22 and 271,345.46

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Solution

The fourth proportional to 839,931.76, 1,260,076.22 and 271,345.46 is: 407,075.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,931.76 : 1,260,076.22 = 271,345.46 : x
  2. Step 2: Convert to fraction form
    839,931.76/1,260,076.22 = 271,345.46/x
  3. Step 3: Cross multiply
    839,931.76x = 1,260,076.22 × 271,345.46
  4. Step 4: Simplify right side
    839,931.76x = 341,915,961,550.96
  5. Step 5: Solve for x
    x = 341,915,961,550.96/839,931.76
  6. Step 6: Final answer
    x = 407,075.88

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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.