Home / 477,830.04-659,131.20-298,671

Finding the Fourth Proportional to 477,830.04, 659,131.20 and 298,671

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Solution

The fourth proportional to 477,830.04, 659,131.20 and 298,671 is: 411,994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,830.04 : 659,131.20 = 298,671 : x
  2. Step 2: Convert to fraction form
    477,830.04/659,131.20 = 298,671/x
  3. Step 3: Cross multiply
    477,830.04x = 659,131.20 × 298,671
  4. Step 4: Simplify right side
    477,830.04x = 196,863,374,635.20
  5. Step 5: Solve for x
    x = 196,863,374,635.20/477,830.04
  6. Step 6: Final answer
    x = 411,994.55

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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.