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Finding the Fourth Proportional to 541,713.90, 747,317.04 and 350,788.80

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Solution

The fourth proportional to 541,713.90, 747,317.04 and 350,788.80 is: 483,927.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,713.90 : 747,317.04 = 350,788.80 : x
  2. Step 2: Convert to fraction form
    541,713.90/747,317.04 = 350,788.80/x
  3. Step 3: Cross multiply
    541,713.90x = 747,317.04 × 350,788.80
  4. Step 4: Simplify right side
    541,713.90x = 262,150,447,681.15
  5. Step 5: Solve for x
    x = 262,150,447,681.15/541,713.90
  6. Step 6: Final answer
    x = 483,927.86

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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.