Home / 839,268.48-1,158,175.92-457,298.40

Finding the Fourth Proportional to 839,268.48, 1,158,175.92 and 457,298.40

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Solution

The fourth proportional to 839,268.48, 1,158,175.92 and 457,298.40 is: 631,063.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,268.48 : 1,158,175.92 = 457,298.40 : x
  2. Step 2: Convert to fraction form
    839,268.48/1,158,175.92 = 457,298.40/x
  3. Step 3: Cross multiply
    839,268.48x = 1,158,175.92 × 457,298.40
  4. Step 4: Simplify right side
    839,268.48x = 529,631,995,134.53
  5. Step 5: Solve for x
    x = 529,631,995,134.53/839,268.48
  6. Step 6: Final answer
    x = 631,063.85

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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.