Home / 806,622.60-1,210,517.10-451,259.40

Finding the Fourth Proportional to 806,622.60, 1,210,517.10 and 451,259.40

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Solution

The fourth proportional to 806,622.60, 1,210,517.10 and 451,259.40 is: 677,215.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,622.60 : 1,210,517.10 = 451,259.40 : x
  2. Step 2: Convert to fraction form
    806,622.60/1,210,517.10 = 451,259.40/x
  3. Step 3: Cross multiply
    806,622.60x = 1,210,517.10 × 451,259.40
  4. Step 4: Simplify right side
    806,622.60x = 546,257,220,235.74
  5. Step 5: Solve for x
    x = 546,257,220,235.74/806,622.60
  6. Step 6: Final answer
    x = 677,215.37

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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.