Home / 907,599.78-1,361,561.76-308,529.42

Finding the Fourth Proportional to 907,599.78, 1,361,561.76 and 308,529.42

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Solution

The fourth proportional to 907,599.78, 1,361,561.76 and 308,529.42 is: 462,849.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,599.78 : 1,361,561.76 = 308,529.42 : x
  2. Step 2: Convert to fraction form
    907,599.78/1,361,561.76 = 308,529.42/x
  3. Step 3: Cross multiply
    907,599.78x = 1,361,561.76 × 308,529.42
  4. Step 4: Simplify right side
    907,599.78x = 420,081,860,106.98
  5. Step 5: Solve for x
    x = 420,081,860,106.98/907,599.78
  6. Step 6: Final answer
    x = 462,849.23

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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.