Home / 563,913.83-778,129.10-322,212.05

Finding the Fourth Proportional to 563,913.83, 778,129.10 and 322,212.05

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Solution

The fourth proportional to 563,913.83, 778,129.10 and 322,212.05 is: 444,611.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,913.83 : 778,129.10 = 322,212.05 : x
  2. Step 2: Convert to fraction form
    563,913.83/778,129.10 = 322,212.05/x
  3. Step 3: Cross multiply
    563,913.83x = 778,129.10 × 322,212.05
  4. Step 4: Simplify right side
    563,913.83x = 250,722,566,973.95
  5. Step 5: Solve for x
    x = 250,722,566,973.95/563,913.83
  6. Step 6: Final answer
    x = 444,611.49

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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.