Home / 646,941.62-892,783.09-375,170.87

Finding the Fourth Proportional to 646,941.62, 892,783.09 and 375,170.87

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Solution

The fourth proportional to 646,941.62, 892,783.09 and 375,170.87 is: 517,737.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,941.62 : 892,783.09 = 375,170.87 : x
  2. Step 2: Convert to fraction form
    646,941.62/892,783.09 = 375,170.87/x
  3. Step 3: Cross multiply
    646,941.62x = 892,783.09 × 375,170.87
  4. Step 4: Simplify right side
    646,941.62x = 334,946,211,297.51
  5. Step 5: Solve for x
    x = 334,946,211,297.51/646,941.62
  6. Step 6: Final answer
    x = 517,737.92

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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.