Home / 651,409.23-976,793.09-309,757.71

Finding the Fourth Proportional to 651,409.23, 976,793.09 and 309,757.71

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Solution

The fourth proportional to 651,409.23, 976,793.09 and 309,757.71 is: 464,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,409.23 : 976,793.09 = 309,757.71 : x
  2. Step 2: Convert to fraction form
    651,409.23/976,793.09 = 309,757.71/x
  3. Step 3: Cross multiply
    651,409.23x = 976,793.09 × 309,757.71
  4. Step 4: Simplify right side
    651,409.23x = 302,569,189,153.44
  5. Step 5: Solve for x
    x = 302,569,189,153.44/651,409.23
  6. Step 6: Final answer
    x = 464,484.04

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1.5x scale

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.