Home / 839,927.75-1,260,070.22-271,341.46

Finding the Fourth Proportional to 839,927.75, 1,260,070.22 and 271,341.46

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Solution

The fourth proportional to 839,927.75, 1,260,070.22 and 271,341.46 is: 407,069.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,927.75 : 1,260,070.22 = 271,341.46 : x
  2. Step 2: Convert to fraction form
    839,927.75/1,260,070.22 = 271,341.46/x
  3. Step 3: Cross multiply
    839,927.75x = 1,260,070.22 × 271,341.46
  4. Step 4: Simplify right side
    839,927.75x = 341,909,295,450.76
  5. Step 5: Solve for x
    x = 341,909,295,450.76/839,927.75
  6. Step 6: Final answer
    x = 407,069.89

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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.