Home / 682,585.32-941,964.90-380,779.56

Finding the Fourth Proportional to 682,585.32, 941,964.90 and 380,779.56

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Solution

The fourth proportional to 682,585.32, 941,964.90 and 380,779.56 is: 525,474.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,585.32 : 941,964.90 = 380,779.56 : x
  2. Step 2: Convert to fraction form
    682,585.32/941,964.90 = 380,779.56/x
  3. Step 3: Cross multiply
    682,585.32x = 941,964.90 × 380,779.56
  4. Step 4: Simplify right side
    682,585.32x = 358,680,980,157.44
  5. Step 5: Solve for x
    x = 358,680,980,157.44/682,585.32
  6. Step 6: Final answer
    x = 525,474.21

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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.