Home / 579,413-869,505.14-238,136.32

Finding the Fourth Proportional to 579,413, 869,505.14 and 238,136.32

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Solution

The fourth proportional to 579,413, 869,505.14 and 238,136.32 is: 357,362.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,413 : 869,505.14 = 238,136.32 : x
  2. Step 2: Convert to fraction form
    579,413/869,505.14 = 238,136.32/x
  3. Step 3: Cross multiply
    579,413x = 869,505.14 × 238,136.32
  4. Step 4: Simplify right side
    579,413x = 207,060,754,260.69
  5. Step 5: Solve for x
    x = 207,060,754,260.69/579,413
  6. Step 6: Final answer
    x = 357,362.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.