Home / 497,946.40-687,101.16-283,081.84

Finding the Fourth Proportional to 497,946.40, 687,101.16 and 283,081.84

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Solution

The fourth proportional to 497,946.40, 687,101.16 and 283,081.84 is: 390,616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,946.40 : 687,101.16 = 283,081.84 : x
  2. Step 2: Convert to fraction form
    497,946.40/687,101.16 = 283,081.84/x
  3. Step 3: Cross multiply
    497,946.40x = 687,101.16 × 283,081.84
  4. Step 4: Simplify right side
    497,946.40x = 194,505,860,638.93
  5. Step 5: Solve for x
    x = 194,505,860,638.93/497,946.40
  6. Step 6: Final answer
    x = 390,616.06

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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.