Home / 497,913.14-687,116.94-283,053.20

Finding the Fourth Proportional to 497,913.14, 687,116.94 and 283,053.20

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Solution

The fourth proportional to 497,913.14, 687,116.94 and 283,053.20 is: 390,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,913.14 : 687,116.94 = 283,053.20 : x
  2. Step 2: Convert to fraction form
    497,913.14/687,116.94 = 283,053.20/x
  3. Step 3: Cross multiply
    497,913.14x = 687,116.94 × 283,053.20
  4. Step 4: Simplify right side
    497,913.14x = 194,490,648,641.21
  5. Step 5: Solve for x
    x = 194,490,648,641.21/497,913.14
  6. Step 6: Final answer
    x = 390,611.60

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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.