Home / 797,445.20-1,100,495.97-487,398.06

Finding the Fourth Proportional to 797,445.20, 1,100,495.97 and 487,398.06

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Solution

The fourth proportional to 797,445.20, 1,100,495.97 and 487,398.06 is: 672,622.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,445.20 : 1,100,495.97 = 487,398.06 : x
  2. Step 2: Convert to fraction form
    797,445.20/1,100,495.97 = 487,398.06/x
  3. Step 3: Cross multiply
    797,445.20x = 1,100,495.97 × 487,398.06
  4. Step 4: Simplify right side
    797,445.20x = 536,379,600,815.82
  5. Step 5: Solve for x
    x = 536,379,600,815.82/797,445.20
  6. Step 6: Final answer
    x = 672,622.52

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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.