Home / 477,720.09-659,237.27-262,840.05

Finding the Fourth Proportional to 477,720.09, 659,237.27 and 262,840.05

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Solution

The fourth proportional to 477,720.09, 659,237.27 and 262,840.05 is: 362,710.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,720.09 : 659,237.27 = 262,840.05 : x
  2. Step 2: Convert to fraction form
    477,720.09/659,237.27 = 262,840.05/x
  3. Step 3: Cross multiply
    477,720.09x = 659,237.27 × 262,840.05
  4. Step 4: Simplify right side
    477,720.09x = 173,273,955,694.46
  5. Step 5: Solve for x
    x = 173,273,955,694.46/477,720.09
  6. Step 6: Final answer
    x = 362,710.21

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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.