Home / 646,945.06-892,787.84-375,174.31

Finding the Fourth Proportional to 646,945.06, 892,787.84 and 375,174.31

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Solution

The fourth proportional to 646,945.06, 892,787.84 and 375,174.31 is: 517,742.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,945.06 : 892,787.84 = 375,174.31 : x
  2. Step 2: Convert to fraction form
    646,945.06/892,787.84 = 375,174.31/x
  3. Step 3: Cross multiply
    646,945.06x = 892,787.84 × 375,174.31
  4. Step 4: Simplify right side
    646,945.06x = 334,951,061,848.39
  5. Step 5: Solve for x
    x = 334,951,061,848.39/646,945.06
  6. Step 6: Final answer
    x = 517,742.67

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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.