Home / 829,006.80-1,242,854.10-455,029.80

Finding the Fourth Proportional to 829,006.80, 1,242,854.10 and 455,029.80

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Solution

The fourth proportional to 829,006.80, 1,242,854.10 and 455,029.80 is: 682,184.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,006.80 : 1,242,854.10 = 455,029.80 : x
  2. Step 2: Convert to fraction form
    829,006.80/1,242,854.10 = 455,029.80/x
  3. Step 3: Cross multiply
    829,006.80x = 1,242,854.10 × 455,029.80
  4. Step 4: Simplify right side
    829,006.80x = 565,535,652,552.18
  5. Step 5: Solve for x
    x = 565,535,652,552.18/829,006.80
  6. Step 6: Final answer
    x = 682,184.58

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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.