Home / 831,235.19-1,244,604.04-431,034.69

Finding the Fourth Proportional to 831,235.19, 1,244,604.04 and 431,034.69

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Solution

The fourth proportional to 831,235.19, 1,244,604.04 and 431,034.69 is: 645,385.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,235.19 : 1,244,604.04 = 431,034.69 : x
  2. Step 2: Convert to fraction form
    831,235.19/1,244,604.04 = 431,034.69/x
  3. Step 3: Cross multiply
    831,235.19x = 1,244,604.04 × 431,034.69
  4. Step 4: Simplify right side
    831,235.19x = 536,467,519,674.07
  5. Step 5: Solve for x
    x = 536,467,519,674.07/831,235.19
  6. Step 6: Final answer
    x = 645,385.96

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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.