Home / 771,555.69-1,156,910.72-238,928.85

Finding the Fourth Proportional to 771,555.69, 1,156,910.72 and 238,928.85

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Solution

The fourth proportional to 771,555.69, 1,156,910.72 and 238,928.85 is: 358,262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,555.69 : 1,156,910.72 = 238,928.85 : x
  2. Step 2: Convert to fraction form
    771,555.69/1,156,910.72 = 238,928.85/x
  3. Step 3: Cross multiply
    771,555.69x = 1,156,910.72 × 238,928.85
  4. Step 4: Simplify right side
    771,555.69x = 276,419,346,687.63
  5. Step 5: Solve for x
    x = 276,419,346,687.63/771,555.69
  6. Step 6: Final answer
    x = 358,262.34

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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.