Home / 670,604.40-1,005,906.60-442,281.60

Finding the Fourth Proportional to 670,604.40, 1,005,906.60 and 442,281.60

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Solution

The fourth proportional to 670,604.40, 1,005,906.60 and 442,281.60 is: 663,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,604.40 : 1,005,906.60 = 442,281.60 : x
  2. Step 2: Convert to fraction form
    670,604.40/1,005,906.60 = 442,281.60/x
  3. Step 3: Cross multiply
    670,604.40x = 1,005,906.60 × 442,281.60
  4. Step 4: Simplify right side
    670,604.40x = 444,893,980,498.56
  5. Step 5: Solve for x
    x = 444,893,980,498.56/670,604.40
  6. Step 6: Final answer
    x = 663,422.40

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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.