Home / 955,385.65-1,433,090.78-281,313.68

Finding the Fourth Proportional to 955,385.65, 1,433,090.78 and 281,313.68

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Solution

The fourth proportional to 955,385.65, 1,433,090.78 and 281,313.68 is: 421,974.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,385.65 : 1,433,090.78 = 281,313.68 : x
  2. Step 2: Convert to fraction form
    955,385.65/1,433,090.78 = 281,313.68/x
  3. Step 3: Cross multiply
    955,385.65x = 1,433,090.78 × 281,313.68
  4. Step 4: Simplify right side
    955,385.65x = 403,148,033,578.77
  5. Step 5: Solve for x
    x = 403,148,033,578.77/955,385.65
  6. Step 6: Final answer
    x = 421,974.13

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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.