Home / 708,457.07-1,062,690.40-258,993.04

Finding the Fourth Proportional to 708,457.07, 1,062,690.40 and 258,993.04

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Solution

The fourth proportional to 708,457.07, 1,062,690.40 and 258,993.04 is: 388,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,457.07 : 1,062,690.40 = 258,993.04 : x
  2. Step 2: Convert to fraction form
    708,457.07/1,062,690.40 = 258,993.04/x
  3. Step 3: Cross multiply
    708,457.07x = 1,062,690.40 × 258,993.04
  4. Step 4: Simplify right side
    708,457.07x = 275,229,413,970.61
  5. Step 5: Solve for x
    x = 275,229,413,970.61/708,457.07
  6. Step 6: Final answer
    x = 388,491.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.