Home / 880,029.60-1,319,785.20-347,373.60

Finding the Fourth Proportional to 880,029.60, 1,319,785.20 and 347,373.60

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Solution

The fourth proportional to 880,029.60, 1,319,785.20 and 347,373.60 is: 520,958.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,029.60 : 1,319,785.20 = 347,373.60 : x
  2. Step 2: Convert to fraction form
    880,029.60/1,319,785.20 = 347,373.60/x
  3. Step 3: Cross multiply
    880,029.60x = 1,319,785.20 × 347,373.60
  4. Step 4: Simplify right side
    880,029.60x = 458,458,536,150.72
  5. Step 5: Solve for x
    x = 458,458,536,150.72/880,029.60
  6. Step 6: Final answer
    x = 520,958.09

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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.