Home / 670,326.17-1,005,627.76-221,074.45

Finding the Fourth Proportional to 670,326.17, 1,005,627.76 and 221,074.45

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Solution

The fourth proportional to 670,326.17, 1,005,627.76 and 221,074.45 is: 331,657.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,326.17 : 1,005,627.76 = 221,074.45 : x
  2. Step 2: Convert to fraction form
    670,326.17/1,005,627.76 = 221,074.45/x
  3. Step 3: Cross multiply
    670,326.17x = 1,005,627.76 × 221,074.45
  4. Step 4: Simplify right side
    670,326.17x = 222,318,600,879.98
  5. Step 5: Solve for x
    x = 222,318,600,879.98/670,326.17
  6. Step 6: Final answer
    x = 331,657.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.