Home / 670,621.80-1,005,932.70-544,650.60

Finding the Fourth Proportional to 670,621.80, 1,005,932.70 and 544,650.60

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Solution

The fourth proportional to 670,621.80, 1,005,932.70 and 544,650.60 is: 816,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,621.80 : 1,005,932.70 = 544,650.60 : x
  2. Step 2: Convert to fraction form
    670,621.80/1,005,932.70 = 544,650.60/x
  3. Step 3: Cross multiply
    670,621.80x = 1,005,932.70 × 544,650.60
  4. Step 4: Simplify right side
    670,621.80x = 547,881,848,614.62
  5. Step 5: Solve for x
    x = 547,881,848,614.62/670,621.80
  6. Step 6: Final answer
    x = 816,975.90

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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.