Home / 847,650.72-1,169,823.60-485,188.32

Finding the Fourth Proportional to 847,650.72, 1,169,823.60 and 485,188.32

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Solution

The fourth proportional to 847,650.72, 1,169,823.60 and 485,188.32 is: 669,597.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,650.72 : 1,169,823.60 = 485,188.32 : x
  2. Step 2: Convert to fraction form
    847,650.72/1,169,823.60 = 485,188.32/x
  3. Step 3: Cross multiply
    847,650.72x = 1,169,823.60 × 485,188.32
  4. Step 4: Simplify right side
    847,650.72x = 567,584,747,180.35
  5. Step 5: Solve for x
    x = 567,584,747,180.35/847,650.72
  6. Step 6: Final answer
    x = 669,597.43

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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.