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Finding the Fourth Proportional to 550,014.72, 759,055.38 and 308,297.35

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Solution

The fourth proportional to 550,014.72, 759,055.38 and 308,297.35 is: 425,470.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,014.72 : 759,055.38 = 308,297.35 : x
  2. Step 2: Convert to fraction form
    550,014.72/759,055.38 = 308,297.35/x
  3. Step 3: Cross multiply
    550,014.72x = 759,055.38 × 308,297.35
  4. Step 4: Simplify right side
    550,014.72x = 234,014,762,157.24
  5. Step 5: Solve for x
    x = 234,014,762,157.24/550,014.72
  6. Step 6: Final answer
    x = 425,470.00

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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.