Home / 477,416.12-658,821.11-262,556.19

Finding the Fourth Proportional to 477,416.12, 658,821.11 and 262,556.19

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Solution

The fourth proportional to 477,416.12, 658,821.11 and 262,556.19 is: 362,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,416.12 : 658,821.11 = 262,556.19 : x
  2. Step 2: Convert to fraction form
    477,416.12/658,821.11 = 262,556.19/x
  3. Step 3: Cross multiply
    477,416.12x = 658,821.11 × 262,556.19
  4. Step 4: Simplify right side
    477,416.12x = 172,977,559,220.39
  5. Step 5: Solve for x
    x = 172,977,559,220.39/477,416.12
  6. Step 6: Final answer
    x = 362,320.32

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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.