Home / 972,782.66-1,342,301.25-543,053.36

Finding the Fourth Proportional to 972,782.66, 1,342,301.25 and 543,053.36

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Solution

The fourth proportional to 972,782.66, 1,342,301.25 and 543,053.36 is: 749,336.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,782.66 : 1,342,301.25 = 543,053.36 : x
  2. Step 2: Convert to fraction form
    972,782.66/1,342,301.25 = 543,053.36/x
  3. Step 3: Cross multiply
    972,782.66x = 1,342,301.25 × 543,053.36
  4. Step 4: Simplify right side
    972,782.66x = 728,941,203,944.70
  5. Step 5: Solve for x
    x = 728,941,203,944.70/972,782.66
  6. Step 6: Final answer
    x = 749,336.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.