Home / 651,374.10-976,830.75-309,777.30

Finding the Fourth Proportional to 651,374.10, 976,830.75 and 309,777.30

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Solution

The fourth proportional to 651,374.10, 976,830.75 and 309,777.30 is: 464,556.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,374.10 : 976,830.75 = 309,777.30 : x
  2. Step 2: Convert to fraction form
    651,374.10/976,830.75 = 309,777.30/x
  3. Step 3: Cross multiply
    651,374.10x = 976,830.75 × 309,777.30
  4. Step 4: Simplify right side
    651,374.10x = 302,599,992,291.98
  5. Step 5: Solve for x
    x = 302,599,992,291.98/651,374.10
  6. Step 6: Final answer
    x = 464,556.38

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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.