Home / 839,126.86-1,157,691.31-548,904.08

Finding the Fourth Proportional to 839,126.86, 1,157,691.31 and 548,904.08

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Solution

The fourth proportional to 839,126.86, 1,157,691.31 and 548,904.08 is: 757,288.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,126.86 : 1,157,691.31 = 548,904.08 : x
  2. Step 2: Convert to fraction form
    839,126.86/1,157,691.31 = 548,904.08/x
  3. Step 3: Cross multiply
    839,126.86x = 1,157,691.31 × 548,904.08
  4. Step 4: Simplify right side
    839,126.86x = 635,461,484,961.51
  5. Step 5: Solve for x
    x = 635,461,484,961.51/839,126.86
  6. Step 6: Final answer
    x = 757,288.94

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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.