Home / 812,024.60-1,120,818.86-472,558.20

Finding the Fourth Proportional to 812,024.60, 1,120,818.86 and 472,558.20

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Solution

The fourth proportional to 812,024.60, 1,120,818.86 and 472,558.20 is: 652,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,024.60 : 1,120,818.86 = 472,558.20 : x
  2. Step 2: Convert to fraction form
    812,024.60/1,120,818.86 = 472,558.20/x
  3. Step 3: Cross multiply
    812,024.60x = 1,120,818.86 × 472,558.20
  4. Step 4: Simplify right side
    812,024.60x = 529,652,143,007.65
  5. Step 5: Solve for x
    x = 529,652,143,007.65/812,024.60
  6. Step 6: Final answer
    x = 652,261.20

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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.