Home / 790,860.62-1,186,045.50-285,355.96

Finding the Fourth Proportional to 790,860.62, 1,186,045.50 and 285,355.96

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Solution

The fourth proportional to 790,860.62, 1,186,045.50 and 285,355.96 is: 427,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,860.62 : 1,186,045.50 = 285,355.96 : x
  2. Step 2: Convert to fraction form
    790,860.62/1,186,045.50 = 285,355.96/x
  3. Step 3: Cross multiply
    790,860.62x = 1,186,045.50 × 285,355.96
  4. Step 4: Simplify right side
    790,860.62x = 338,445,152,256.18
  5. Step 5: Solve for x
    x = 338,445,152,256.18/790,860.62
  6. Step 6: Final answer
    x = 427,945.38

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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.