Home / 907,618.86-1,361,415.80-308,997.47

Finding the Fourth Proportional to 907,618.86, 1,361,415.80 and 308,997.47

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Solution

The fourth proportional to 907,618.86, 1,361,415.80 and 308,997.47 is: 463,491.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,618.86 : 1,361,415.80 = 308,997.47 : x
  2. Step 2: Convert to fraction form
    907,618.86/1,361,415.80 = 308,997.47/x
  3. Step 3: Cross multiply
    907,618.86x = 1,361,415.80 × 308,997.47
  4. Step 4: Simplify right side
    907,618.86x = 420,674,041,994.06
  5. Step 5: Solve for x
    x = 420,674,041,994.06/907,618.86
  6. Step 6: Final answer
    x = 463,491.96

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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.