Home / 917,114.25-1,374,947.87-579,443.16

Finding the Fourth Proportional to 917,114.25, 1,374,947.87 and 579,443.16

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Solution

The fourth proportional to 917,114.25, 1,374,947.87 and 579,443.16 is: 868,707.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,114.25 : 1,374,947.87 = 579,443.16 : x
  2. Step 2: Convert to fraction form
    917,114.25/1,374,947.87 = 579,443.16/x
  3. Step 3: Cross multiply
    917,114.25x = 1,374,947.87 × 579,443.16
  4. Step 4: Simplify right side
    917,114.25x = 796,704,145,775.96
  5. Step 5: Solve for x
    x = 796,704,145,775.96/917,114.25
  6. Step 6: Final answer
    x = 868,707.63

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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.