Home / 791,218.32-1,187,014.18-258,737.28

Finding the Fourth Proportional to 791,218.32, 1,187,014.18 and 258,737.28

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Solution

The fourth proportional to 791,218.32, 1,187,014.18 and 258,737.28 is: 388,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,218.32 : 1,187,014.18 = 258,737.28 : x
  2. Step 2: Convert to fraction form
    791,218.32/1,187,014.18 = 258,737.28/x
  3. Step 3: Cross multiply
    791,218.32x = 1,187,014.18 × 258,737.28
  4. Step 4: Simplify right side
    791,218.32x = 307,124,820,254.63
  5. Step 5: Solve for x
    x = 307,124,820,254.63/791,218.32
  6. Step 6: Final answer
    x = 388,166.97

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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.