Home / 589,377.07-813,438.62-347,719.51

Finding the Fourth Proportional to 589,377.07, 813,438.62 and 347,719.51

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Solution

The fourth proportional to 589,377.07, 813,438.62 and 347,719.51 is: 479,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,377.07 : 813,438.62 = 347,719.51 : x
  2. Step 2: Convert to fraction form
    589,377.07/813,438.62 = 347,719.51/x
  3. Step 3: Cross multiply
    589,377.07x = 813,438.62 × 347,719.51
  4. Step 4: Simplify right side
    589,377.07x = 282,848,478,361.48
  5. Step 5: Solve for x
    x = 282,848,478,361.48/589,377.07
  6. Step 6: Final answer
    x = 479,910.90

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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.