Home / 646,695.92-892,441.32-374,816.72

Finding the Fourth Proportional to 646,695.92, 892,441.32 and 374,816.72

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Solution

The fourth proportional to 646,695.92, 892,441.32 and 374,816.72 is: 517,247.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,695.92 : 892,441.32 = 374,816.72 : x
  2. Step 2: Convert to fraction form
    646,695.92/892,441.32 = 374,816.72/x
  3. Step 3: Cross multiply
    646,695.92x = 892,441.32 × 374,816.72
  4. Step 4: Simplify right side
    646,695.92x = 334,501,928,354.87
  5. Step 5: Solve for x
    x = 334,501,928,354.87/646,695.92
  6. Step 6: Final answer
    x = 517,247.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.