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Finding the Fourth Proportional to 440,306.48, 607,905.96 and 302,714.48

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Solution

The fourth proportional to 440,306.48, 607,905.96 and 302,714.48 is: 417,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,306.48 : 607,905.96 = 302,714.48 : x
  2. Step 2: Convert to fraction form
    440,306.48/607,905.96 = 302,714.48/x
  3. Step 3: Cross multiply
    440,306.48x = 607,905.96 × 302,714.48
  4. Step 4: Simplify right side
    440,306.48x = 184,021,936,570.30
  5. Step 5: Solve for x
    x = 184,021,936,570.30/440,306.48
  6. Step 6: Final answer
    x = 417,940.56

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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.