Home / 919,871.46-1,379,876.40-245,937.96

Finding the Fourth Proportional to 919,871.46, 1,379,876.40 and 245,937.96

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Solution

The fourth proportional to 919,871.46, 1,379,876.40 and 245,937.96 is: 368,925.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,871.46 : 1,379,876.40 = 245,937.96 : x
  2. Step 2: Convert to fraction form
    919,871.46/1,379,876.40 = 245,937.96/x
  3. Step 3: Cross multiply
    919,871.46x = 1,379,876.40 × 245,937.96
  4. Step 4: Simplify right side
    919,871.46x = 339,363,986,868.14
  5. Step 5: Solve for x
    x = 339,363,986,868.14/919,871.46
  6. Step 6: Final answer
    x = 368,925.44

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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.