Home / 691,694.43-1,037,648.93-292,336.89

Finding the Fourth Proportional to 691,694.43, 1,037,648.93 and 292,336.89

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Solution

The fourth proportional to 691,694.43, 1,037,648.93 and 292,336.89 is: 438,550.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,694.43 : 1,037,648.93 = 292,336.89 : x
  2. Step 2: Convert to fraction form
    691,694.43/1,037,648.93 = 292,336.89/x
  3. Step 3: Cross multiply
    691,694.43x = 1,037,648.93 × 292,336.89
  4. Step 4: Simplify right side
    691,694.43x = 303,343,059,646.34
  5. Step 5: Solve for x
    x = 303,343,059,646.34/691,694.43
  6. Step 6: Final answer
    x = 438,550.68

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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.