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Finding the Fourth Proportional to 601,071.44, 900,175.88 and 347,818.05

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Solution

The fourth proportional to 601,071.44, 900,175.88 and 347,818.05 is: 520,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,071.44 : 900,175.88 = 347,818.05 : x
  2. Step 2: Convert to fraction form
    601,071.44/900,175.88 = 347,818.05/x
  3. Step 3: Cross multiply
    601,071.44x = 900,175.88 × 347,818.05
  4. Step 4: Simplify right side
    601,071.44x = 313,097,420,108.18
  5. Step 5: Solve for x
    x = 313,097,420,108.18/601,071.44
  6. Step 6: Final answer
    x = 520,898.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.