Home / 839,058.82-1,157,890.72-457,077.40

Finding the Fourth Proportional to 839,058.82, 1,157,890.72 and 457,077.40

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Solution

The fourth proportional to 839,058.82, 1,157,890.72 and 457,077.40 is: 630,761.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,058.82 : 1,157,890.72 = 457,077.40 : x
  2. Step 2: Convert to fraction form
    839,058.82/1,157,890.72 = 457,077.40/x
  3. Step 3: Cross multiply
    839,058.82x = 1,157,890.72 × 457,077.40
  4. Step 4: Simplify right side
    839,058.82x = 529,245,679,781.73
  5. Step 5: Solve for x
    x = 529,245,679,781.73/839,058.82
  6. Step 6: Final answer
    x = 630,761.12

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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.