Home / 670,254.20-1,005,527.10-220,898.60

Finding the Fourth Proportional to 670,254.20, 1,005,527.10 and 220,898.60

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Solution

The fourth proportional to 670,254.20, 1,005,527.10 and 220,898.60 is: 331,395.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,254.20 : 1,005,527.10 = 220,898.60 : x
  2. Step 2: Convert to fraction form
    670,254.20/1,005,527.10 = 220,898.60/x
  3. Step 3: Cross multiply
    670,254.20x = 1,005,527.10 × 220,898.60
  4. Step 4: Simplify right side
    670,254.20x = 222,119,528,652.06
  5. Step 5: Solve for x
    x = 222,119,528,652.06/670,254.20
  6. Step 6: Final answer
    x = 331,395.95

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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.