Home / 922,775.60-1,382,608.20-448,439.60

Finding the Fourth Proportional to 922,775.60, 1,382,608.20 and 448,439.60

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Solution

The fourth proportional to 922,775.60, 1,382,608.20 and 448,439.60 is: 671,903.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,775.60 : 1,382,608.20 = 448,439.60 : x
  2. Step 2: Convert to fraction form
    922,775.60/1,382,608.20 = 448,439.60/x
  3. Step 3: Cross multiply
    922,775.60x = 1,382,608.20 × 448,439.60
  4. Step 4: Simplify right side
    922,775.60x = 620,016,268,164.72
  5. Step 5: Solve for x
    x = 620,016,268,164.72/922,775.60
  6. Step 6: Final answer
    x = 671,903.62

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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.