Home / 758,866.48-1,138,344.27-285,555.94

Finding the Fourth Proportional to 758,866.48, 1,138,344.27 and 285,555.94

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Solution

The fourth proportional to 758,866.48, 1,138,344.27 and 285,555.94 is: 428,350.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,866.48 : 1,138,344.27 = 285,555.94 : x
  2. Step 2: Convert to fraction form
    758,866.48/1,138,344.27 = 285,555.94/x
  3. Step 3: Cross multiply
    758,866.48x = 1,138,344.27 × 285,555.94
  4. Step 4: Simplify right side
    758,866.48x = 325,060,968,063.46
  5. Step 5: Solve for x
    x = 325,060,968,063.46/758,866.48
  6. Step 6: Final answer
    x = 428,350.67

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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.