Home / 646,961.05-892,809.79-375,190.07

Finding the Fourth Proportional to 646,961.05, 892,809.79 and 375,190.07

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Solution

The fourth proportional to 646,961.05, 892,809.79 and 375,190.07 is: 517,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,961.05 : 892,809.79 = 375,190.07 : x
  2. Step 2: Convert to fraction form
    646,961.05/892,809.79 = 375,190.07/x
  3. Step 3: Cross multiply
    646,961.05x = 892,809.79 × 375,190.07
  4. Step 4: Simplify right side
    646,961.05x = 334,973,367,962.86
  5. Step 5: Solve for x
    x = 334,973,367,962.86/646,961.05
  6. Step 6: Final answer
    x = 517,764.35

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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.