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Finding the Fourth Proportional to 550,270.56, 759,051.66 and 345,998.08

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Solution

The fourth proportional to 550,270.56, 759,051.66 and 345,998.08 is: 477,275.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,270.56 : 759,051.66 = 345,998.08 : x
  2. Step 2: Convert to fraction form
    550,270.56/759,051.66 = 345,998.08/x
  3. Step 3: Cross multiply
    550,270.56x = 759,051.66 × 345,998.08
  4. Step 4: Simplify right side
    550,270.56x = 262,630,417,280.88
  5. Step 5: Solve for x
    x = 262,630,417,280.88/550,270.56
  6. Step 6: Final answer
    x = 477,275.06

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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.