Home / 641,668.11-962,169.92-342,068.21

Finding the Fourth Proportional to 641,668.11, 962,169.92 and 342,068.21

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Solution

The fourth proportional to 641,668.11, 962,169.92 and 342,068.21 is: 512,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,668.11 : 962,169.92 = 342,068.21 : x
  2. Step 2: Convert to fraction form
    641,668.11/962,169.92 = 342,068.21/x
  3. Step 3: Cross multiply
    641,668.11x = 962,169.92 × 342,068.21
  4. Step 4: Simplify right side
    641,668.11x = 329,127,742,250.24
  5. Step 5: Solve for x
    x = 329,127,742,250.24/641,668.11
  6. Step 6: Final answer
    x = 512,925.20

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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.