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Finding the Fourth Proportional to 440,089.74, 607,324.50 and 238,885.74

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Solution

The fourth proportional to 440,089.74, 607,324.50 and 238,885.74 is: 329,662.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,089.74 : 607,324.50 = 238,885.74 : x
  2. Step 2: Convert to fraction form
    440,089.74/607,324.50 = 238,885.74/x
  3. Step 3: Cross multiply
    440,089.74x = 607,324.50 × 238,885.74
  4. Step 4: Simplify right side
    440,089.74x = 145,081,162,602.63
  5. Step 5: Solve for x
    x = 145,081,162,602.63/440,089.74
  6. Step 6: Final answer
    x = 329,662.68

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Double scale
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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.