Home / 790,490.07-1,185,737.92-191,451.64

Finding the Fourth Proportional to 790,490.07, 1,185,737.92 and 191,451.64

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Solution

The fourth proportional to 790,490.07, 1,185,737.92 and 191,451.64 is: 287,178.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,490.07 : 1,185,737.92 = 191,451.64 : x
  2. Step 2: Convert to fraction form
    790,490.07/1,185,737.92 = 191,451.64/x
  3. Step 3: Cross multiply
    790,490.07x = 1,185,737.92 × 191,451.64
  4. Step 4: Simplify right side
    790,490.07x = 227,011,469,394.19
  5. Step 5: Solve for x
    x = 227,011,469,394.19/790,490.07
  6. Step 6: Final answer
    x = 287,178.14

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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.