Home / 572,139.42-789,562.46-314,040.54

Finding the Fourth Proportional to 572,139.42, 789,562.46 and 314,040.54

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Solution

The fourth proportional to 572,139.42, 789,562.46 and 314,040.54 is: 433,381.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,139.42 : 789,562.46 = 314,040.54 : x
  2. Step 2: Convert to fraction form
    572,139.42/789,562.46 = 314,040.54/x
  3. Step 3: Cross multiply
    572,139.42x = 789,562.46 × 314,040.54
  4. Step 4: Simplify right side
    572,139.42x = 247,954,621,302.13
  5. Step 5: Solve for x
    x = 247,954,621,302.13/572,139.42
  6. Step 6: Final answer
    x = 433,381.47

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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.