Home / 929,442.80-1,394,358.60-298,420.40

Finding the Fourth Proportional to 929,442.80, 1,394,358.60 and 298,420.40

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Solution

The fourth proportional to 929,442.80, 1,394,358.60 and 298,420.40 is: 447,693.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,442.80 : 1,394,358.60 = 298,420.40 : x
  2. Step 2: Convert to fraction form
    929,442.80/1,394,358.60 = 298,420.40/x
  3. Step 3: Cross multiply
    929,442.80x = 1,394,358.60 × 298,420.40
  4. Step 4: Simplify right side
    929,442.80x = 416,105,051,155.44
  5. Step 5: Solve for x
    x = 416,105,051,155.44/929,442.80
  6. Step 6: Final answer
    x = 447,693.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.