Home / 839,269.57-1,259,276.48-439,815.38

Finding the Fourth Proportional to 839,269.57, 1,259,276.48 and 439,815.38

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Solution

The fourth proportional to 839,269.57, 1,259,276.48 and 439,815.38 is: 659,918.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,269.57 : 1,259,276.48 = 439,815.38 : x
  2. Step 2: Convert to fraction form
    839,269.57/1,259,276.48 = 439,815.38/x
  3. Step 3: Cross multiply
    839,269.57x = 1,259,276.48 × 439,815.38
  4. Step 4: Simplify right side
    839,269.57x = 553,849,163,576.26
  5. Step 5: Solve for x
    x = 553,849,163,576.26/839,269.57
  6. Step 6: Final answer
    x = 659,918.08

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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.