Home / 791,360.95-1,187,207.52-258,840.40

Finding the Fourth Proportional to 791,360.95, 1,187,207.52 and 258,840.40

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Solution

The fourth proportional to 791,360.95, 1,187,207.52 and 258,840.40 is: 388,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,360.95 : 1,187,207.52 = 258,840.40 : x
  2. Step 2: Convert to fraction form
    791,360.95/1,187,207.52 = 258,840.40/x
  3. Step 3: Cross multiply
    791,360.95x = 1,187,207.52 × 258,840.40
  4. Step 4: Simplify right side
    791,360.95x = 307,297,269,359.81
  5. Step 5: Solve for x
    x = 307,297,269,359.81/791,360.95
  6. Step 6: Final answer
    x = 388,314.93

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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.