Home / 477,238.80-658,580.40-262,376.76

Finding the Fourth Proportional to 477,238.80, 658,580.40 and 262,376.76

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Solution

The fourth proportional to 477,238.80, 658,580.40 and 262,376.76 is: 362,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,238.80 : 658,580.40 = 262,376.76 : x
  2. Step 2: Convert to fraction form
    477,238.80/658,580.40 = 262,376.76/x
  3. Step 3: Cross multiply
    477,238.80x = 658,580.40 × 262,376.76
  4. Step 4: Simplify right side
    477,238.80x = 172,796,191,551.50
  5. Step 5: Solve for x
    x = 172,796,191,551.50/477,238.80
  6. Step 6: Final answer
    x = 362,074.90

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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.