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Finding the Fourth Proportional to 540,014.98, 745,189.79 and 322,469.13

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Solution

The fourth proportional to 540,014.98, 745,189.79 and 322,469.13 is: 444,988.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,014.98 : 745,189.79 = 322,469.13 : x
  2. Step 2: Convert to fraction form
    540,014.98/745,189.79 = 322,469.13/x
  3. Step 3: Cross multiply
    540,014.98x = 745,189.79 × 322,469.13
  4. Step 4: Simplify right side
    540,014.98x = 240,300,708,238.49
  5. Step 5: Solve for x
    x = 240,300,708,238.49/540,014.98
  6. Step 6: Final answer
    x = 444,988.97

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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.