Home / 649,725.86-896,576.17-377,774.46

Finding the Fourth Proportional to 649,725.86, 896,576.17 and 377,774.46

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Solution

The fourth proportional to 649,725.86, 896,576.17 and 377,774.46 is: 521,302.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,725.86 : 896,576.17 = 377,774.46 : x
  2. Step 2: Convert to fraction form
    649,725.86/896,576.17 = 377,774.46/x
  3. Step 3: Cross multiply
    649,725.86x = 896,576.17 × 377,774.46
  4. Step 4: Simplify right side
    649,725.86x = 338,703,576,581.75
  5. Step 5: Solve for x
    x = 338,703,576,581.75/649,725.86
  6. Step 6: Final answer
    x = 521,302.29

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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.