Home / 948,573.27-1,309,015.71-518,849.64

Finding the Fourth Proportional to 948,573.27, 1,309,015.71 and 518,849.64

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Solution

The fourth proportional to 948,573.27, 1,309,015.71 and 518,849.64 is: 716,004.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,573.27 : 1,309,015.71 = 518,849.64 : x
  2. Step 2: Convert to fraction form
    948,573.27/1,309,015.71 = 518,849.64/x
  3. Step 3: Cross multiply
    948,573.27x = 1,309,015.71 × 518,849.64
  4. Step 4: Simplify right side
    948,573.27x = 679,182,329,887.84
  5. Step 5: Solve for x
    x = 679,182,329,887.84/948,573.27
  6. Step 6: Final answer
    x = 716,004.08

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1.5x scale

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.