Home / 488,435.55-674,076.80-294,890.91

Finding the Fourth Proportional to 488,435.55, 674,076.80 and 294,890.91

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Solution

The fourth proportional to 488,435.55, 674,076.80 and 294,890.91 is: 406,971.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,435.55 : 674,076.80 = 294,890.91 : x
  2. Step 2: Convert to fraction form
    488,435.55/674,076.80 = 294,890.91/x
  3. Step 3: Cross multiply
    488,435.55x = 674,076.80 × 294,890.91
  4. Step 4: Simplify right side
    488,435.55x = 198,779,120,961.89
  5. Step 5: Solve for x
    x = 198,779,120,961.89/488,435.55
  6. Step 6: Final answer
    x = 406,971.03

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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.