Home / 946,871.10-1,419,615.45-385,616.70

Finding the Fourth Proportional to 946,871.10, 1,419,615.45 and 385,616.70

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Solution

The fourth proportional to 946,871.10, 1,419,615.45 and 385,616.70 is: 578,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,871.10 : 1,419,615.45 = 385,616.70 : x
  2. Step 2: Convert to fraction form
    946,871.10/1,419,615.45 = 385,616.70/x
  3. Step 3: Cross multiply
    946,871.10x = 1,419,615.45 × 385,616.70
  4. Step 4: Simplify right side
    946,871.10x = 547,427,425,098.02
  5. Step 5: Solve for x
    x = 547,427,425,098.02/946,871.10
  6. Step 6: Final answer
    x = 578,143.56

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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.