Home / 497,883.08-687,136.70-283,055.29

Finding the Fourth Proportional to 497,883.08, 687,136.70 and 283,055.29

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Solution

The fourth proportional to 497,883.08, 687,136.70 and 283,055.29 is: 390,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,883.08 : 687,136.70 = 283,055.29 : x
  2. Step 2: Convert to fraction form
    497,883.08/687,136.70 = 283,055.29/x
  3. Step 3: Cross multiply
    497,883.08x = 687,136.70 × 283,055.29
  4. Step 4: Simplify right side
    497,883.08x = 194,497,677,888.14
  5. Step 5: Solve for x
    x = 194,497,677,888.14/497,883.08
  6. Step 6: Final answer
    x = 390,649.30

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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.