Home / 839,325.12-1,158,232.40-476,747.84

Finding the Fourth Proportional to 839,325.12, 1,158,232.40 and 476,747.84

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Solution

The fourth proportional to 839,325.12, 1,158,232.40 and 476,747.84 is: 657,891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,325.12 : 1,158,232.40 = 476,747.84 : x
  2. Step 2: Convert to fraction form
    839,325.12/1,158,232.40 = 476,747.84/x
  3. Step 3: Cross multiply
    839,325.12x = 1,158,232.40 × 476,747.84
  4. Step 4: Simplify right side
    839,325.12x = 552,184,794,918.02
  5. Step 5: Solve for x
    x = 552,184,794,918.02/839,325.12
  6. Step 6: Final answer
    x = 657,891.42

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Double scale
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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.