Home / 755,279.64-1,133,114.40-281,968.56

Finding the Fourth Proportional to 755,279.64, 1,133,114.40 and 281,968.56

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Solution

The fourth proportional to 755,279.64, 1,133,114.40 and 281,968.56 is: 423,025.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,279.64 : 1,133,114.40 = 281,968.56 : x
  2. Step 2: Convert to fraction form
    755,279.64/1,133,114.40 = 281,968.56/x
  3. Step 3: Cross multiply
    755,279.64x = 1,133,114.40 × 281,968.56
  4. Step 4: Simplify right side
    755,279.64x = 319,502,635,683.26
  5. Step 5: Solve for x
    x = 319,502,635,683.26/755,279.64
  6. Step 6: Final answer
    x = 423,025.62

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1.5x scale

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.