Home / 839,309.85-1,158,211.38-476,732.58

Finding the Fourth Proportional to 839,309.85, 1,158,211.38 and 476,732.58

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Solution

The fourth proportional to 839,309.85, 1,158,211.38 and 476,732.58 is: 657,870.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,309.85 : 1,158,211.38 = 476,732.58 : x
  2. Step 2: Convert to fraction form
    839,309.85/1,158,211.38 = 476,732.58/x
  3. Step 3: Cross multiply
    839,309.85x = 1,158,211.38 × 476,732.58
  4. Step 4: Simplify right side
    839,309.85x = 552,157,096,989.10
  5. Step 5: Solve for x
    x = 552,157,096,989.10/839,309.85
  6. Step 6: Final answer
    x = 657,870.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.