Home / 803,844.81-1,206,350.46-647,955.45

Finding the Fourth Proportional to 803,844.81, 1,206,350.46 and 647,955.45

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Solution

The fourth proportional to 803,844.81, 1,206,350.46 and 647,955.45 is: 972,403.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,844.81 : 1,206,350.46 = 647,955.45 : x
  2. Step 2: Convert to fraction form
    803,844.81/1,206,350.46 = 647,955.45/x
  3. Step 3: Cross multiply
    803,844.81x = 1,206,350.46 × 647,955.45
  4. Step 4: Simplify right side
    803,844.81x = 781,661,355,167.01
  5. Step 5: Solve for x
    x = 781,661,355,167.01/803,844.81
  6. Step 6: Final answer
    x = 972,403.31

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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.