Home / 948,586.32-1,309,021.29-518,857.16

Finding the Fourth Proportional to 948,586.32, 1,309,021.29 and 518,857.16

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Solution

The fourth proportional to 948,586.32, 1,309,021.29 and 518,857.16 is: 716,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,586.32 : 1,309,021.29 = 518,857.16 : x
  2. Step 2: Convert to fraction form
    948,586.32/1,309,021.29 = 518,857.16/x
  3. Step 3: Cross multiply
    948,586.32x = 1,309,021.29 × 518,857.16
  4. Step 4: Simplify right side
    948,586.32x = 679,195,062,363.83
  5. Step 5: Solve for x
    x = 679,195,062,363.83/948,586.32
  6. Step 6: Final answer
    x = 716,007.65

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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.