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Finding the Fourth Proportional to 477,457.07, 658,911.61 and 262,604.97

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Solution

The fourth proportional to 477,457.07, 658,911.61 and 262,604.97 is: 362,406.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,457.07 : 658,911.61 = 262,604.97 : x
  2. Step 2: Convert to fraction form
    477,457.07/658,911.61 = 262,604.97/x
  3. Step 3: Cross multiply
    477,457.07x = 658,911.61 × 262,604.97
  4. Step 4: Simplify right side
    477,457.07x = 173,033,463,904.96
  5. Step 5: Solve for x
    x = 173,033,463,904.96/477,457.07
  6. Step 6: Final answer
    x = 362,406.33

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1.5x scale

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.