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Finding the Fourth Proportional to 550,727.68, 759,957.60 and 308,977.60

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Solution

The fourth proportional to 550,727.68, 759,957.60 and 308,977.60 is: 426,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,727.68 : 759,957.60 = 308,977.60 : x
  2. Step 2: Convert to fraction form
    550,727.68/759,957.60 = 308,977.60/x
  3. Step 3: Cross multiply
    550,727.68x = 759,957.60 × 308,977.60
  4. Step 4: Simplify right side
    550,727.68x = 234,809,875,349.76
  5. Step 5: Solve for x
    x = 234,809,875,349.76/550,727.68
  6. Step 6: Final answer
    x = 426,362.94

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1.5x scale

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.