Home / 948,725.89-1,309,252.06-518,996.79

Finding the Fourth Proportional to 948,725.89, 1,309,252.06 and 518,996.79

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Solution

The fourth proportional to 948,725.89, 1,309,252.06 and 518,996.79 is: 716,221.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,725.89 : 1,309,252.06 = 518,996.79 : x
  2. Step 2: Convert to fraction form
    948,725.89/1,309,252.06 = 518,996.79/x
  3. Step 3: Cross multiply
    948,725.89x = 1,309,252.06 × 518,996.79
  4. Step 4: Simplify right side
    948,725.89x = 679,497,616,440.89
  5. Step 5: Solve for x
    x = 679,497,616,440.89/948,725.89
  6. Step 6: Final answer
    x = 716,221.22

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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.