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Finding the Fourth Proportional to 628,259.24, 942,384.54 and 254,276.84

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Solution

The fourth proportional to 628,259.24, 942,384.54 and 254,276.84 is: 381,413.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,259.24 : 942,384.54 = 254,276.84 : x
  2. Step 2: Convert to fraction form
    628,259.24/942,384.54 = 254,276.84/x
  3. Step 3: Cross multiply
    628,259.24x = 942,384.54 × 254,276.84
  4. Step 4: Simplify right side
    628,259.24x = 239,626,562,896.05
  5. Step 5: Solve for x
    x = 239,626,562,896.05/628,259.24
  6. Step 6: Final answer
    x = 381,413.51

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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.