Home / 775,483.55-1,162,516.25-326,236.16

Finding the Fourth Proportional to 775,483.55, 1,162,516.25 and 326,236.16

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Solution

The fourth proportional to 775,483.55, 1,162,516.25 and 326,236.16 is: 489,055.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,483.55 : 1,162,516.25 = 326,236.16 : x
  2. Step 2: Convert to fraction form
    775,483.55/1,162,516.25 = 326,236.16/x
  3. Step 3: Cross multiply
    775,483.55x = 1,162,516.25 × 326,236.16
  4. Step 4: Simplify right side
    775,483.55x = 379,254,834,520.33
  5. Step 5: Solve for x
    x = 379,254,834,520.33/775,483.55
  6. Step 6: Final answer
    x = 489,055.94

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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.