Home / 777,335.36-1,166,181.60-403,275.20

Finding the Fourth Proportional to 777,335.36, 1,166,181.60 and 403,275.20

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Solution

The fourth proportional to 777,335.36, 1,166,181.60 and 403,275.20 is: 605,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,335.36 : 1,166,181.60 = 403,275.20 : x
  2. Step 2: Convert to fraction form
    777,335.36/1,166,181.60 = 403,275.20/x
  3. Step 3: Cross multiply
    777,335.36x = 1,166,181.60 × 403,275.20
  4. Step 4: Simplify right side
    777,335.36x = 470,292,117,976.32
  5. Step 5: Solve for x
    x = 470,292,117,976.32/777,335.36
  6. Step 6: Final answer
    x = 605,005.44

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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.