Home / 602,877.08-831,799.94-388,141.47

Finding the Fourth Proportional to 602,877.08, 831,799.94 and 388,141.47

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Solution

The fourth proportional to 602,877.08, 831,799.94 and 388,141.47 is: 535,525.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,877.08 : 831,799.94 = 388,141.47 : x
  2. Step 2: Convert to fraction form
    602,877.08/831,799.94 = 388,141.47/x
  3. Step 3: Cross multiply
    602,877.08x = 831,799.94 × 388,141.47
  4. Step 4: Simplify right side
    602,877.08x = 322,856,049,516.80
  5. Step 5: Solve for x
    x = 322,856,049,516.80/602,877.08
  6. Step 6: Final answer
    x = 535,525.50

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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.