Home / 604,648.83-834,136.20-389,857.89

Finding the Fourth Proportional to 604,648.83, 834,136.20 and 389,857.89

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Solution

The fourth proportional to 604,648.83, 834,136.20 and 389,857.89 is: 537,823.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,648.83 : 834,136.20 = 389,857.89 : x
  2. Step 2: Convert to fraction form
    604,648.83/834,136.20 = 389,857.89/x
  3. Step 3: Cross multiply
    604,648.83x = 834,136.20 × 389,857.89
  4. Step 4: Simplify right side
    604,648.83x = 325,194,578,904.62
  5. Step 5: Solve for x
    x = 325,194,578,904.62/604,648.83
  6. Step 6: Final answer
    x = 537,823.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.