Home / 477,289.29-658,661.70-262,443.21

Finding the Fourth Proportional to 477,289.29, 658,661.70 and 262,443.21

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Solution

The fourth proportional to 477,289.29, 658,661.70 and 262,443.21 is: 362,172.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,289.29 : 658,661.70 = 262,443.21 : x
  2. Step 2: Convert to fraction form
    477,289.29/658,661.70 = 262,443.21/x
  3. Step 3: Cross multiply
    477,289.29x = 658,661.70 × 262,443.21
  4. Step 4: Simplify right side
    477,289.29x = 172,861,290,852.06
  5. Step 5: Solve for x
    x = 172,861,290,852.06/477,289.29
  6. Step 6: Final answer
    x = 362,172.99

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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.