Home / 771,232.92-1,156,815.30-210,267.48

Finding the Fourth Proportional to 771,232.92, 1,156,815.30 and 210,267.48

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Solution

The fourth proportional to 771,232.92, 1,156,815.30 and 210,267.48 is: 315,391.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,232.92 : 1,156,815.30 = 210,267.48 : x
  2. Step 2: Convert to fraction form
    771,232.92/1,156,815.30 = 210,267.48/x
  3. Step 3: Cross multiply
    771,232.92x = 1,156,815.30 × 210,267.48
  4. Step 4: Simplify right side
    771,232.92x = 243,240,637,956.44
  5. Step 5: Solve for x
    x = 243,240,637,956.44/771,232.92
  6. Step 6: Final answer
    x = 315,391.93

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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.