Home / 563,144.47-777,133.18-305,015.00

Finding the Fourth Proportional to 563,144.47, 777,133.18 and 305,015.00

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Solution

The fourth proportional to 563,144.47, 777,133.18 and 305,015.00 is: 420,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,144.47 : 777,133.18 = 305,015.00 : x
  2. Step 2: Convert to fraction form
    563,144.47/777,133.18 = 305,015.00/x
  3. Step 3: Cross multiply
    563,144.47x = 777,133.18 × 305,015.00
  4. Step 4: Simplify right side
    563,144.47x = 237,037,273,393.30
  5. Step 5: Solve for x
    x = 237,037,273,393.30/563,144.47
  6. Step 6: Final answer
    x = 420,917.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.