Home / 670,820.74-1,006,017.63-221,457.94

Finding the Fourth Proportional to 670,820.74, 1,006,017.63 and 221,457.94

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Solution

The fourth proportional to 670,820.74, 1,006,017.63 and 221,457.94 is: 332,116.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,820.74 : 1,006,017.63 = 221,457.94 : x
  2. Step 2: Convert to fraction form
    670,820.74/1,006,017.63 = 221,457.94/x
  3. Step 3: Cross multiply
    670,820.74x = 1,006,017.63 × 221,457.94
  4. Step 4: Simplify right side
    670,820.74x = 222,790,591,943.48
  5. Step 5: Solve for x
    x = 222,790,591,943.48/670,820.74
  6. Step 6: Final answer
    x = 332,116.43

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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.