Home / 670,116.89-1,005,299.85-220,869.32

Finding the Fourth Proportional to 670,116.89, 1,005,299.85 and 220,869.32

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Solution

The fourth proportional to 670,116.89, 1,005,299.85 and 220,869.32 is: 331,345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,116.89 : 1,005,299.85 = 220,869.32 : x
  2. Step 2: Convert to fraction form
    670,116.89/1,005,299.85 = 220,869.32/x
  3. Step 3: Cross multiply
    670,116.89x = 1,005,299.85 × 220,869.32
  4. Step 4: Simplify right side
    670,116.89x = 222,039,889,239.10
  5. Step 5: Solve for x
    x = 222,039,889,239.10/670,116.89
  6. Step 6: Final answer
    x = 331,345.01

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1.5x scale

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.