Home / 839,295.16-1,259,314.88-439,840.96

Finding the Fourth Proportional to 839,295.16, 1,259,314.88 and 439,840.96

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Solution

The fourth proportional to 839,295.16, 1,259,314.88 and 439,840.96 is: 659,956.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,295.16 : 1,259,314.88 = 439,840.96 : x
  2. Step 2: Convert to fraction form
    839,295.16/1,259,314.88 = 439,840.96/x
  3. Step 3: Cross multiply
    839,295.16x = 1,259,314.88 × 439,840.96
  4. Step 4: Simplify right side
    839,295.16x = 553,898,265,761.49
  5. Step 5: Solve for x
    x = 553,898,265,761.49/839,295.16
  6. Step 6: Final answer
    x = 659,956.46

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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.