Home / 448,965.42-619,800.84-346,761.45

Finding the Fourth Proportional to 448,965.42, 619,800.84 and 346,761.45

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Solution

The fourth proportional to 448,965.42, 619,800.84 and 346,761.45 is: 478,707.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,965.42 : 619,800.84 = 346,761.45 : x
  2. Step 2: Convert to fraction form
    448,965.42/619,800.84 = 346,761.45/x
  3. Step 3: Cross multiply
    448,965.42x = 619,800.84 × 346,761.45
  4. Step 4: Simplify right side
    448,965.42x = 214,923,037,989.62
  5. Step 5: Solve for x
    x = 214,923,037,989.62/448,965.42
  6. Step 6: Final answer
    x = 478,707.33

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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.