Home / 802,240.86-1,202,960.64-262,426.68

Finding the Fourth Proportional to 802,240.86, 1,202,960.64 and 262,426.68

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Solution

The fourth proportional to 802,240.86, 1,202,960.64 and 262,426.68 is: 393,508.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,240.86 : 1,202,960.64 = 262,426.68 : x
  2. Step 2: Convert to fraction form
    802,240.86/1,202,960.64 = 262,426.68/x
  3. Step 3: Cross multiply
    802,240.86x = 1,202,960.64 × 262,426.68
  4. Step 4: Simplify right side
    802,240.86x = 315,688,966,925.88
  5. Step 5: Solve for x
    x = 315,688,966,925.88/802,240.86
  6. Step 6: Final answer
    x = 393,508.96

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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.