Home / 958,555.20-1,438,036.96-284,638.48

Finding the Fourth Proportional to 958,555.20, 1,438,036.96 and 284,638.48

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Solution

The fourth proportional to 958,555.20, 1,438,036.96 and 284,638.48 is: 427,018.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,555.20 : 1,438,036.96 = 284,638.48 : x
  2. Step 2: Convert to fraction form
    958,555.20/1,438,036.96 = 284,638.48/x
  3. Step 3: Cross multiply
    958,555.20x = 1,438,036.96 × 284,638.48
  4. Step 4: Simplify right side
    958,555.20x = 409,320,654,478.22
  5. Step 5: Solve for x
    x = 409,320,654,478.22/958,555.20
  6. Step 6: Final answer
    x = 427,018.34

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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.