Home / 729,388.64-1,094,571.54-256,075.40

Finding the Fourth Proportional to 729,388.64, 1,094,571.54 and 256,075.40

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Solution

The fourth proportional to 729,388.64, 1,094,571.54 and 256,075.40 is: 384,284.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,388.64 : 1,094,571.54 = 256,075.40 : x
  2. Step 2: Convert to fraction form
    729,388.64/1,094,571.54 = 256,075.40/x
  3. Step 3: Cross multiply
    729,388.64x = 1,094,571.54 × 256,075.40
  4. Step 4: Simplify right side
    729,388.64x = 280,292,844,934.12
  5. Step 5: Solve for x
    x = 280,292,844,934.12/729,388.64
  6. Step 6: Final answer
    x = 384,284.63

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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.