Home / 401,826.03-602,739.04-313,145.88

Finding the Fourth Proportional to 401,826.03, 602,739.04 and 313,145.88

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Solution

The fourth proportional to 401,826.03, 602,739.04 and 313,145.88 is: 469,718.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,826.03 : 602,739.04 = 313,145.88 : x
  2. Step 2: Convert to fraction form
    401,826.03/602,739.04 = 313,145.88/x
  3. Step 3: Cross multiply
    401,826.03x = 602,739.04 × 313,145.88
  4. Step 4: Simplify right side
    401,826.03x = 188,745,247,091.16
  5. Step 5: Solve for x
    x = 188,745,247,091.16/401,826.03
  6. Step 6: Final answer
    x = 469,718.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.