Home / 563,422.08-777,519.36-308,764.56

Finding the Fourth Proportional to 563,422.08, 777,519.36 and 308,764.56

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Solution

The fourth proportional to 563,422.08, 777,519.36 and 308,764.56 is: 426,093.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,422.08 : 777,519.36 = 308,764.56 : x
  2. Step 2: Convert to fraction form
    563,422.08/777,519.36 = 308,764.56/x
  3. Step 3: Cross multiply
    563,422.08x = 777,519.36 × 308,764.56
  4. Step 4: Simplify right side
    563,422.08x = 240,070,423,081.88
  5. Step 5: Solve for x
    x = 240,070,423,081.88/563,422.08
  6. Step 6: Final answer
    x = 426,093.39

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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.