Home / 497,960.73-687,139.65-283,058.82

Finding the Fourth Proportional to 497,960.73, 687,139.65 and 283,058.82

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Solution

The fourth proportional to 497,960.73, 687,139.65 and 283,058.82 is: 390,594.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,960.73 : 687,139.65 = 283,058.82 : x
  2. Step 2: Convert to fraction form
    497,960.73/687,139.65 = 283,058.82/x
  3. Step 3: Cross multiply
    497,960.73x = 687,139.65 × 283,058.82
  4. Step 4: Simplify right side
    497,960.73x = 194,500,938,504.21
  5. Step 5: Solve for x
    x = 194,500,938,504.21/497,960.73
  6. Step 6: Final answer
    x = 390,594.93

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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.