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Finding the Fourth Proportional to 548,746.44, 822,054.46 and 404,390.32

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Solution

The fourth proportional to 548,746.44, 822,054.46 and 404,390.32 is: 605,800.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,746.44 : 822,054.46 = 404,390.32 : x
  2. Step 2: Convert to fraction form
    548,746.44/822,054.46 = 404,390.32/x
  3. Step 3: Cross multiply
    548,746.44x = 822,054.46 × 404,390.32
  4. Step 4: Simplify right side
    548,746.44x = 332,430,866,136.83
  5. Step 5: Solve for x
    x = 332,430,866,136.83/548,746.44
  6. Step 6: Final answer
    x = 605,800.50

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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.