Home / 805,969.20-1,209,828.60-629,259.60

Finding the Fourth Proportional to 805,969.20, 1,209,828.60 and 629,259.60

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Solution

The fourth proportional to 805,969.20, 1,209,828.60 and 629,259.60 is: 944,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,969.20 : 1,209,828.60 = 629,259.60 : x
  2. Step 2: Convert to fraction form
    805,969.20/1,209,828.60 = 629,259.60/x
  3. Step 3: Cross multiply
    805,969.20x = 1,209,828.60 × 629,259.60
  4. Step 4: Simplify right side
    805,969.20x = 761,296,260,904.56
  5. Step 5: Solve for x
    x = 761,296,260,904.56/805,969.20
  6. Step 6: Final answer
    x = 944,572.40

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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.