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Finding the Fourth Proportional to 679,622.08, 937,898.88 and 373,682.64

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Solution

The fourth proportional to 679,622.08, 937,898.88 and 373,682.64 is: 515,693.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,622.08 : 937,898.88 = 373,682.64 : x
  2. Step 2: Convert to fraction form
    679,622.08/937,898.88 = 373,682.64/x
  3. Step 3: Cross multiply
    679,622.08x = 937,898.88 × 373,682.64
  4. Step 4: Simplify right side
    679,622.08x = 350,476,529,531.44
  5. Step 5: Solve for x
    x = 350,476,529,531.44/679,622.08
  6. Step 6: Final answer
    x = 515,693.27

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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.