Home / 571,964.34-789,405.30-317,397.54

Finding the Fourth Proportional to 571,964.34, 789,405.30 and 317,397.54

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Solution

The fourth proportional to 571,964.34, 789,405.30 and 317,397.54 is: 438,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,964.34 : 789,405.30 = 317,397.54 : x
  2. Step 2: Convert to fraction form
    571,964.34/789,405.30 = 317,397.54/x
  3. Step 3: Cross multiply
    571,964.34x = 789,405.30 × 317,397.54
  4. Step 4: Simplify right side
    571,964.34x = 250,555,300,282.96
  5. Step 5: Solve for x
    x = 250,555,300,282.96/571,964.34
  6. Step 6: Final answer
    x = 438,061.05

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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.