Home / 771,060.87-1,156,668.76-265,555.26

Finding the Fourth Proportional to 771,060.87, 1,156,668.76 and 265,555.26

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Solution

The fourth proportional to 771,060.87, 1,156,668.76 and 265,555.26 is: 398,359.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,060.87 : 1,156,668.76 = 265,555.26 : x
  2. Step 2: Convert to fraction form
    771,060.87/1,156,668.76 = 265,555.26/x
  3. Step 3: Cross multiply
    771,060.87x = 1,156,668.76 × 265,555.26
  4. Step 4: Simplify right side
    771,060.87x = 307,159,473,627.62
  5. Step 5: Solve for x
    x = 307,159,473,627.62/771,060.87
  6. Step 6: Final answer
    x = 398,359.57

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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.