Home / 830,058.60-1,245,087.90-494,135.40

Finding the Fourth Proportional to 830,058.60, 1,245,087.90 and 494,135.40

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Solution

The fourth proportional to 830,058.60, 1,245,087.90 and 494,135.40 is: 741,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,058.60 : 1,245,087.90 = 494,135.40 : x
  2. Step 2: Convert to fraction form
    830,058.60/1,245,087.90 = 494,135.40/x
  3. Step 3: Cross multiply
    830,058.60x = 1,245,087.90 × 494,135.40
  4. Step 4: Simplify right side
    830,058.60x = 615,242,007,501.66
  5. Step 5: Solve for x
    x = 615,242,007,501.66/830,058.60
  6. Step 6: Final answer
    x = 741,203.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.