Home / 729,985.56-1,094,385.53-303,840.36

Finding the Fourth Proportional to 729,985.56, 1,094,385.53 and 303,840.36

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Solution

The fourth proportional to 729,985.56, 1,094,385.53 and 303,840.36 is: 455,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,985.56 : 1,094,385.53 = 303,840.36 : x
  2. Step 2: Convert to fraction form
    729,985.56/1,094,385.53 = 303,840.36/x
  3. Step 3: Cross multiply
    729,985.56x = 1,094,385.53 × 303,840.36
  4. Step 4: Simplify right side
    729,985.56x = 332,518,493,413.99
  5. Step 5: Solve for x
    x = 332,518,493,413.99/729,985.56
  6. Step 6: Final answer
    x = 455,513.80

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1.5x scale

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.