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Finding the Fourth Proportional to 440,343.42, 607,677.03 and 239,139.42

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Solution

The fourth proportional to 440,343.42, 607,677.03 and 239,139.42 is: 330,014.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,343.42 : 607,677.03 = 239,139.42 : x
  2. Step 2: Convert to fraction form
    440,343.42/607,677.03 = 239,139.42/x
  3. Step 3: Cross multiply
    440,343.42x = 607,677.03 × 239,139.42
  4. Step 4: Simplify right side
    440,343.42x = 145,319,532,501.52
  5. Step 5: Solve for x
    x = 145,319,532,501.52/440,343.42
  6. Step 6: Final answer
    x = 330,014.09

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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.