Home / 670,116.63-1,005,299.47-220,869.07

Finding the Fourth Proportional to 670,116.63, 1,005,299.47 and 220,869.07

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Solution

The fourth proportional to 670,116.63, 1,005,299.47 and 220,869.07 is: 331,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,116.63 : 1,005,299.47 = 220,869.07 : x
  2. Step 2: Convert to fraction form
    670,116.63/1,005,299.47 = 220,869.07/x
  3. Step 3: Cross multiply
    670,116.63x = 1,005,299.47 × 220,869.07
  4. Step 4: Simplify right side
    670,116.63x = 222,039,559,010.39
  5. Step 5: Solve for x
    x = 222,039,559,010.39/670,116.63
  6. Step 6: Final answer
    x = 331,344.65

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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.