Home / 691,255-1,037,290.74-291,869.92

Finding the Fourth Proportional to 691,255, 1,037,290.74 and 291,869.92

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Solution

The fourth proportional to 691,255, 1,037,290.74 and 291,869.92 is: 437,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,255 : 1,037,290.74 = 291,869.92 : x
  2. Step 2: Convert to fraction form
    691,255/1,037,290.74 = 291,869.92/x
  3. Step 3: Cross multiply
    691,255x = 1,037,290.74 × 291,869.92
  4. Step 4: Simplify right side
    691,255x = 302,753,965,300.54
  5. Step 5: Solve for x
    x = 302,753,965,300.54/691,255
  6. Step 6: Final answer
    x = 437,977.25

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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.