Home / 563,240.58-777,273.75-305,120.22

Finding the Fourth Proportional to 563,240.58, 777,273.75 and 305,120.22

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Solution

The fourth proportional to 563,240.58, 777,273.75 and 305,120.22 is: 421,066.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,240.58 : 777,273.75 = 305,120.22 : x
  2. Step 2: Convert to fraction form
    563,240.58/777,273.75 = 305,120.22/x
  3. Step 3: Cross multiply
    563,240.58x = 777,273.75 × 305,120.22
  4. Step 4: Simplify right side
    563,240.58x = 237,161,937,600.23
  5. Step 5: Solve for x
    x = 237,161,937,600.23/563,240.58
  6. Step 6: Final answer
    x = 421,066.85

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1.5x scale

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.