Home / 497,935.89-687,148.29-283,076.01

Finding the Fourth Proportional to 497,935.89, 687,148.29 and 283,076.01

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Solution

The fourth proportional to 497,935.89, 687,148.29 and 283,076.01 is: 390,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,935.89 : 687,148.29 = 283,076.01 : x
  2. Step 2: Convert to fraction form
    497,935.89/687,148.29 = 283,076.01/x
  3. Step 3: Cross multiply
    497,935.89x = 687,148.29 × 283,076.01
  4. Step 4: Simplify right side
    497,935.89x = 194,515,196,211.52
  5. Step 5: Solve for x
    x = 194,515,196,211.52/497,935.89
  6. Step 6: Final answer
    x = 390,643.05

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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.