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Finding the Fourth Proportional to 440,352.64, 607,670.40 and 239,144.32

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Solution

The fourth proportional to 440,352.64, 607,670.40 and 239,144.32 is: 330,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,352.64 : 607,670.40 = 239,144.32 : x
  2. Step 2: Convert to fraction form
    440,352.64/607,670.40 = 239,144.32/x
  3. Step 3: Cross multiply
    440,352.64x = 607,670.40 × 239,144.32
  4. Step 4: Simplify right side
    440,352.64x = 145,320,924,592.13
  5. Step 5: Solve for x
    x = 145,320,924,592.13/440,352.64
  6. Step 6: Final answer
    x = 330,010.34

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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.