Home / 943,436.52-1,301,941.44-513,719.64

Finding the Fourth Proportional to 943,436.52, 1,301,941.44 and 513,719.64

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Solution

The fourth proportional to 943,436.52, 1,301,941.44 and 513,719.64 is: 708,932.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,436.52 : 1,301,941.44 = 513,719.64 : x
  2. Step 2: Convert to fraction form
    943,436.52/1,301,941.44 = 513,719.64/x
  3. Step 3: Cross multiply
    943,436.52x = 1,301,941.44 × 513,719.64
  4. Step 4: Simplify right side
    943,436.52x = 668,832,887,857.88
  5. Step 5: Solve for x
    x = 668,832,887,857.88/943,436.52
  6. Step 6: Final answer
    x = 708,932.58

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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.