Home / 744,257.60-1,116,040.80-323,316.80

Finding the Fourth Proportional to 744,257.60, 1,116,040.80 and 323,316.80

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Solution

The fourth proportional to 744,257.60, 1,116,040.80 and 323,316.80 is: 484,825.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,257.60 : 1,116,040.80 = 323,316.80 : x
  2. Step 2: Convert to fraction form
    744,257.60/1,116,040.80 = 323,316.80/x
  3. Step 3: Cross multiply
    744,257.60x = 1,116,040.80 × 323,316.80
  4. Step 4: Simplify right side
    744,257.60x = 360,834,740,125.44
  5. Step 5: Solve for x
    x = 360,834,740,125.44/744,257.60
  6. Step 6: Final answer
    x = 484,825.07

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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.