Home / 790,529.76-1,185,550-285,025.68

Finding the Fourth Proportional to 790,529.76, 1,185,550 and 285,025.68

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Solution

The fourth proportional to 790,529.76, 1,185,550 and 285,025.68 is: 427,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,529.76 : 1,185,550 = 285,025.68 : x
  2. Step 2: Convert to fraction form
    790,529.76/1,185,550 = 285,025.68/x
  3. Step 3: Cross multiply
    790,529.76x = 1,185,550 × 285,025.68
  4. Step 4: Simplify right side
    790,529.76x = 337,912,194,924
  5. Step 5: Solve for x
    x = 337,912,194,924/790,529.76
  6. Step 6: Final answer
    x = 427,450.31

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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.