Home / 839,243.48-1,158,164.50-457,276.64

Finding the Fourth Proportional to 839,243.48, 1,158,164.50 and 457,276.64

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Solution

The fourth proportional to 839,243.48, 1,158,164.50 and 457,276.64 is: 631,046.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,243.48 : 1,158,164.50 = 457,276.64 : x
  2. Step 2: Convert to fraction form
    839,243.48/1,158,164.50 = 457,276.64/x
  3. Step 3: Cross multiply
    839,243.48x = 1,158,164.50 × 457,276.64
  4. Step 4: Simplify right side
    839,243.48x = 529,601,571,127.28
  5. Step 5: Solve for x
    x = 529,601,571,127.28/839,243.48
  6. Step 6: Final answer
    x = 631,046.39

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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.