Home / 649,740.75-896,282.26-377,778.58

Finding the Fourth Proportional to 649,740.75, 896,282.26 and 377,778.58

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Solution

The fourth proportional to 649,740.75, 896,282.26 and 377,778.58 is: 521,125.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,740.75 : 896,282.26 = 377,778.58 : x
  2. Step 2: Convert to fraction form
    649,740.75/896,282.26 = 377,778.58/x
  3. Step 3: Cross multiply
    649,740.75x = 896,282.26 × 377,778.58
  4. Step 4: Simplify right side
    649,740.75x = 338,596,236,276.84
  5. Step 5: Solve for x
    x = 338,596,236,276.84/649,740.75
  6. Step 6: Final answer
    x = 521,125.14

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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.