Home / 679,910.40-1,020,651.30-364,982.40

Finding the Fourth Proportional to 679,910.40, 1,020,651.30 and 364,982.40

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Solution

The fourth proportional to 679,910.40, 1,020,651.30 and 364,982.40 is: 547,895.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,910.40 : 1,020,651.30 = 364,982.40 : x
  2. Step 2: Convert to fraction form
    679,910.40/1,020,651.30 = 364,982.40/x
  3. Step 3: Cross multiply
    679,910.40x = 1,020,651.30 × 364,982.40
  4. Step 4: Simplify right side
    679,910.40x = 372,519,761,037.12
  5. Step 5: Solve for x
    x = 372,519,761,037.12/679,910.40
  6. Step 6: Final answer
    x = 547,895.37

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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.