Home / 646,946.37-892,789.65-375,175.62

Finding the Fourth Proportional to 646,946.37, 892,789.65 and 375,175.62

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Solution

The fourth proportional to 646,946.37, 892,789.65 and 375,175.62 is: 517,744.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,946.37 : 892,789.65 = 375,175.62 : x
  2. Step 2: Convert to fraction form
    646,946.37/892,789.65 = 375,175.62/x
  3. Step 3: Cross multiply
    646,946.37x = 892,789.65 × 375,175.62
  4. Step 4: Simplify right side
    646,946.37x = 334,952,911,762.37
  5. Step 5: Solve for x
    x = 334,952,911,762.37/646,946.37
  6. Step 6: Final answer
    x = 517,744.48

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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.