Home / 898,993.44-1,240,648.65-517,020.51

Finding the Fourth Proportional to 898,993.44, 1,240,648.65 and 517,020.51

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Solution

The fourth proportional to 898,993.44, 1,240,648.65 and 517,020.51 is: 713,509.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,993.44 : 1,240,648.65 = 517,020.51 : x
  2. Step 2: Convert to fraction form
    898,993.44/1,240,648.65 = 517,020.51/x
  3. Step 3: Cross multiply
    898,993.44x = 1,240,648.65 × 517,020.51
  4. Step 4: Simplify right side
    898,993.44x = 641,440,797,753.81
  5. Step 5: Solve for x
    x = 641,440,797,753.81/898,993.44
  6. Step 6: Final answer
    x = 713,509.99

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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.