Home / 809,977.92-1,214,950.44-210,925.82

Finding the Fourth Proportional to 809,977.92, 1,214,950.44 and 210,925.82

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Solution

The fourth proportional to 809,977.92, 1,214,950.44 and 210,925.82 is: 316,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,977.92 : 1,214,950.44 = 210,925.82 : x
  2. Step 2: Convert to fraction form
    809,977.92/1,214,950.44 = 210,925.82/x
  3. Step 3: Cross multiply
    809,977.92x = 1,214,950.44 × 210,925.82
  4. Step 4: Simplify right side
    809,977.92x = 256,264,417,816.36
  5. Step 5: Solve for x
    x = 256,264,417,816.36/809,977.92
  6. Step 6: Final answer
    x = 316,384.45

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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.