Home / 488,017.04-673,335.74-281,234.78

Finding the Fourth Proportional to 488,017.04, 673,335.74 and 281,234.78

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Solution

The fourth proportional to 488,017.04, 673,335.74 and 281,234.78 is: 388,030.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,017.04 : 673,335.74 = 281,234.78 : x
  2. Step 2: Convert to fraction form
    488,017.04/673,335.74 = 281,234.78/x
  3. Step 3: Cross multiply
    488,017.04x = 673,335.74 × 281,234.78
  4. Step 4: Simplify right side
    488,017.04x = 189,365,428,705.04
  5. Step 5: Solve for x
    x = 189,365,428,705.04/488,017.04
  6. Step 6: Final answer
    x = 388,030.36

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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.