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Finding the Fourth Proportional to 679,480.75, 937,659.54 and 373,554.92

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Solution

The fourth proportional to 679,480.75, 937,659.54 and 373,554.92 is: 515,492.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,480.75 : 937,659.54 = 373,554.92 : x
  2. Step 2: Convert to fraction form
    679,480.75/937,659.54 = 373,554.92/x
  3. Step 3: Cross multiply
    679,480.75x = 937,659.54 × 373,554.92
  4. Step 4: Simplify right side
    679,480.75x = 350,267,330,468.77
  5. Step 5: Solve for x
    x = 350,267,330,468.77/679,480.75
  6. Step 6: Final answer
    x = 515,492.64

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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.