Home / 839,135.07-1,158,007.92-476,558.88

Finding the Fourth Proportional to 839,135.07, 1,158,007.92 and 476,558.88

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Solution

The fourth proportional to 839,135.07, 1,158,007.92 and 476,558.88 is: 657,652.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,135.07 : 1,158,007.92 = 476,558.88 : x
  2. Step 2: Convert to fraction form
    839,135.07/1,158,007.92 = 476,558.88/x
  3. Step 3: Cross multiply
    839,135.07x = 1,158,007.92 × 476,558.88
  4. Step 4: Simplify right side
    839,135.07x = 551,858,957,386.33
  5. Step 5: Solve for x
    x = 551,858,957,386.33/839,135.07
  6. Step 6: Final answer
    x = 657,652.12

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1.5x scale

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.