Home / 829,902.60-1,244,681.10-356,603.40

Finding the Fourth Proportional to 829,902.60, 1,244,681.10 and 356,603.40

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Solution

The fourth proportional to 829,902.60, 1,244,681.10 and 356,603.40 is: 534,830.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,902.60 : 1,244,681.10 = 356,603.40 : x
  2. Step 2: Convert to fraction form
    829,902.60/1,244,681.10 = 356,603.40/x
  3. Step 3: Cross multiply
    829,902.60x = 1,244,681.10 × 356,603.40
  4. Step 4: Simplify right side
    829,902.60x = 443,857,512,175.74
  5. Step 5: Solve for x
    x = 443,857,512,175.74/829,902.60
  6. Step 6: Final answer
    x = 534,830.85

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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.