Home / 563,454.72-777,566.00-305,338.82

Finding the Fourth Proportional to 563,454.72, 777,566.00 and 305,338.82

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Solution

The fourth proportional to 563,454.72, 777,566.00 and 305,338.82 is: 421,366.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,454.72 : 777,566.00 = 305,338.82 : x
  2. Step 2: Convert to fraction form
    563,454.72/777,566.00 = 305,338.82/x
  3. Step 3: Cross multiply
    563,454.72x = 777,566.00 × 305,338.82
  4. Step 4: Simplify right side
    563,454.72x = 237,421,079,497.60
  5. Step 5: Solve for x
    x = 237,421,079,497.60/563,454.72
  6. Step 6: Final answer
    x = 421,366.74

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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.