Home / 641,202.20-960,536.10-562,405.40

Finding the Fourth Proportional to 641,202.20, 960,536.10 and 562,405.40

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Solution

The fourth proportional to 641,202.20, 960,536.10 and 562,405.40 is: 842,496.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,202.20 : 960,536.10 = 562,405.40 : x
  2. Step 2: Convert to fraction form
    641,202.20/960,536.10 = 562,405.40/x
  3. Step 3: Cross multiply
    641,202.20x = 960,536.10 × 562,405.40
  4. Step 4: Simplify right side
    641,202.20x = 540,210,689,534.94
  5. Step 5: Solve for x
    x = 540,210,689,534.94/641,202.20
  6. Step 6: Final answer
    x = 842,496.63

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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.