Home / 839,289.18-1,259,305.88-439,834.98

Finding the Fourth Proportional to 839,289.18, 1,259,305.88 and 439,834.98

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Solution

The fourth proportional to 839,289.18, 1,259,305.88 and 439,834.98 is: 659,947.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,289.18 : 1,259,305.88 = 439,834.98 : x
  2. Step 2: Convert to fraction form
    839,289.18/1,259,305.88 = 439,834.98/x
  3. Step 3: Cross multiply
    839,289.18x = 1,259,305.88 × 439,834.98
  4. Step 4: Simplify right side
    839,289.18x = 553,886,776,543.68
  5. Step 5: Solve for x
    x = 553,886,776,543.68/839,289.18
  6. Step 6: Final answer
    x = 659,947.48

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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.