Home / 649,838.40-975,236.58-308,282.94

Finding the Fourth Proportional to 649,838.40, 975,236.58 and 308,282.94

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Solution

The fourth proportional to 649,838.40, 975,236.58 and 308,282.94 is: 462,651.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,838.40 : 975,236.58 = 308,282.94 : x
  2. Step 2: Convert to fraction form
    649,838.40/975,236.58 = 308,282.94/x
  3. Step 3: Cross multiply
    649,838.40x = 975,236.58 × 308,282.94
  4. Step 4: Simplify right side
    649,838.40x = 300,648,800,077.95
  5. Step 5: Solve for x
    x = 300,648,800,077.95/649,838.40
  6. Step 6: Final answer
    x = 462,651.64

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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.