Home / 775,152.64-1,162,192.32-395,336.32

Finding the Fourth Proportional to 775,152.64, 1,162,192.32 and 395,336.32

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Solution

The fourth proportional to 775,152.64, 1,162,192.32 and 395,336.32 is: 592,730.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,152.64 : 1,162,192.32 = 395,336.32 : x
  2. Step 2: Convert to fraction form
    775,152.64/1,162,192.32 = 395,336.32/x
  3. Step 3: Cross multiply
    775,152.64x = 1,162,192.32 × 395,336.32
  4. Step 4: Simplify right side
    775,152.64x = 459,456,834,921.06
  5. Step 5: Solve for x
    x = 459,456,834,921.06/775,152.64
  6. Step 6: Final answer
    x = 592,730.79

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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.