Home / 540,587.70-811,285.47-203,960.34

Finding the Fourth Proportional to 540,587.70, 811,285.47 and 203,960.34

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Solution

The fourth proportional to 540,587.70, 811,285.47 and 203,960.34 is: 306,092.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,587.70 : 811,285.47 = 203,960.34 : x
  2. Step 2: Convert to fraction form
    540,587.70/811,285.47 = 203,960.34/x
  3. Step 3: Cross multiply
    540,587.70x = 811,285.47 × 203,960.34
  4. Step 4: Simplify right side
    540,587.70x = 165,470,060,298.26
  5. Step 5: Solve for x
    x = 165,470,060,298.26/540,587.70
  6. Step 6: Final answer
    x = 306,092.91

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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.