Home / 641,373.21-962,338.86-402,035.58

Finding the Fourth Proportional to 641,373.21, 962,338.86 and 402,035.58

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Solution

The fourth proportional to 641,373.21, 962,338.86 and 402,035.58 is: 603,228.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,373.21 : 962,338.86 = 402,035.58 : x
  2. Step 2: Convert to fraction form
    641,373.21/962,338.86 = 402,035.58/x
  3. Step 3: Cross multiply
    641,373.21x = 962,338.86 × 402,035.58
  4. Step 4: Simplify right side
    641,373.21x = 386,894,461,736.64
  5. Step 5: Solve for x
    x = 386,894,461,736.64/641,373.21
  6. Step 6: Final answer
    x = 603,228.29

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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.