Home / 610,684.04-842,844.80-338,839.40

Finding the Fourth Proportional to 610,684.04, 842,844.80 and 338,839.40

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Solution

The fourth proportional to 610,684.04, 842,844.80 and 338,839.40 is: 467,654.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,684.04 : 842,844.80 = 338,839.40 : x
  2. Step 2: Convert to fraction form
    610,684.04/842,844.80 = 338,839.40/x
  3. Step 3: Cross multiply
    610,684.04x = 842,844.80 × 338,839.40
  4. Step 4: Simplify right side
    610,684.04x = 285,589,026,325.12
  5. Step 5: Solve for x
    x = 285,589,026,325.12/610,684.04
  6. Step 6: Final answer
    x = 467,654.31

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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.