Home / 755,280.64-1,133,115.90-281,969.56

Finding the Fourth Proportional to 755,280.64, 1,133,115.90 and 281,969.56

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Solution

The fourth proportional to 755,280.64, 1,133,115.90 and 281,969.56 is: 423,027.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,280.64 : 1,133,115.90 = 281,969.56 : x
  2. Step 2: Convert to fraction form
    755,280.64/1,133,115.90 = 281,969.56/x
  3. Step 3: Cross multiply
    755,280.64x = 1,133,115.90 × 281,969.56
  4. Step 4: Simplify right side
    755,280.64x = 319,504,191,752.00
  5. Step 5: Solve for x
    x = 319,504,191,752.00/755,280.64
  6. Step 6: Final answer
    x = 423,027.12

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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.