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Finding the Fourth Proportional to 679,625.08, 937,903.02 and 373,685.64

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Solution

The fourth proportional to 679,625.08, 937,903.02 and 373,685.64 is: 515,697.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,625.08 : 937,903.02 = 373,685.64 : x
  2. Step 2: Convert to fraction form
    679,625.08/937,903.02 = 373,685.64/x
  3. Step 3: Cross multiply
    679,625.08x = 937,903.02 × 373,685.64
  4. Step 4: Simplify right side
    679,625.08x = 350,480,890,286.63
  5. Step 5: Solve for x
    x = 350,480,890,286.63/679,625.08
  6. Step 6: Final answer
    x = 515,697.41

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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.