Home / 641,369.75-962,333.66-402,032.16

Finding the Fourth Proportional to 641,369.75, 962,333.66 and 402,032.16

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Solution

The fourth proportional to 641,369.75, 962,333.66 and 402,032.16 is: 603,223.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,369.75 : 962,333.66 = 402,032.16 : x
  2. Step 2: Convert to fraction form
    641,369.75/962,333.66 = 402,032.16/x
  3. Step 3: Cross multiply
    641,369.75x = 962,333.66 × 402,032.16
  4. Step 4: Simplify right side
    641,369.75x = 386,889,080,975.59
  5. Step 5: Solve for x
    x = 386,889,080,975.59/641,369.75
  6. Step 6: Final answer
    x = 603,223.15

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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.