Home / 829,037.80-1,242,827.70-561,932.20

Finding the Fourth Proportional to 829,037.80, 1,242,827.70 and 561,932.20

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Solution

The fourth proportional to 829,037.80, 1,242,827.70 and 561,932.20 is: 842,404.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,037.80 : 1,242,827.70 = 561,932.20 : x
  2. Step 2: Convert to fraction form
    829,037.80/1,242,827.70 = 561,932.20/x
  3. Step 3: Cross multiply
    829,037.80x = 1,242,827.70 × 561,932.20
  4. Step 4: Simplify right side
    829,037.80x = 698,384,903,681.94
  5. Step 5: Solve for x
    x = 698,384,903,681.94/829,037.80
  6. Step 6: Final answer
    x = 842,404.17

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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.