Home / 918,424.53-1,267,441.02-504,978.75

Finding the Fourth Proportional to 918,424.53, 1,267,441.02 and 504,978.75

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Solution

The fourth proportional to 918,424.53, 1,267,441.02 and 504,978.75 is: 696,879.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,424.53 : 1,267,441.02 = 504,978.75 : x
  2. Step 2: Convert to fraction form
    918,424.53/1,267,441.02 = 504,978.75/x
  3. Step 3: Cross multiply
    918,424.53x = 1,267,441.02 × 504,978.75
  4. Step 4: Simplify right side
    918,424.53x = 640,030,781,978.33
  5. Step 5: Solve for x
    x = 640,030,781,978.33/918,424.53
  6. Step 6: Final answer
    x = 696,879.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.