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Finding the Fourth Proportional to 679,567.36, 937,783.10 and 373,643.44

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Solution

The fourth proportional to 679,567.36, 937,783.10 and 373,643.44 is: 515,617.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,567.36 : 937,783.10 = 373,643.44 : x
  2. Step 2: Convert to fraction form
    679,567.36/937,783.10 = 373,643.44/x
  3. Step 3: Cross multiply
    679,567.36x = 937,783.10 × 373,643.44
  4. Step 4: Simplify right side
    679,567.36x = 350,396,503,457.86
  5. Step 5: Solve for x
    x = 350,396,503,457.86/679,567.36
  6. Step 6: Final answer
    x = 515,617.03

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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.