Home / 905,977.89-1,358,967.11-266,281.74

Finding the Fourth Proportional to 905,977.89, 1,358,967.11 and 266,281.74

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Solution

The fourth proportional to 905,977.89, 1,358,967.11 and 266,281.74 is: 399,422.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,977.89 : 1,358,967.11 = 266,281.74 : x
  2. Step 2: Convert to fraction form
    905,977.89/1,358,967.11 = 266,281.74/x
  3. Step 3: Cross multiply
    905,977.89x = 1,358,967.11 × 266,281.74
  4. Step 4: Simplify right side
    905,977.89x = 361,868,125,322.16
  5. Step 5: Solve for x
    x = 361,868,125,322.16/905,977.89
  6. Step 6: Final answer
    x = 399,422.69

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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.