Home / 477,428.48-658,838.16-262,568.56

Finding the Fourth Proportional to 477,428.48, 658,838.16 and 262,568.56

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Solution

The fourth proportional to 477,428.48, 658,838.16 and 262,568.56 is: 362,337.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,428.48 : 658,838.16 = 262,568.56 : x
  2. Step 2: Convert to fraction form
    477,428.48/658,838.16 = 262,568.56/x
  3. Step 3: Cross multiply
    477,428.48x = 658,838.16 × 262,568.56
  4. Step 4: Simplify right side
    477,428.48x = 172,990,186,944.25
  5. Step 5: Solve for x
    x = 172,990,186,944.25/477,428.48
  6. Step 6: Final answer
    x = 362,337.38

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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.