Home / 945,187.60-1,417,992.90-346,136.80

Finding the Fourth Proportional to 945,187.60, 1,417,992.90 and 346,136.80

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Solution

The fourth proportional to 945,187.60, 1,417,992.90 and 346,136.80 is: 519,282.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,187.60 : 1,417,992.90 = 346,136.80 : x
  2. Step 2: Convert to fraction form
    945,187.60/1,417,992.90 = 346,136.80/x
  3. Step 3: Cross multiply
    945,187.60x = 1,417,992.90 × 346,136.80
  4. Step 4: Simplify right side
    945,187.60x = 490,819,524,828.72
  5. Step 5: Solve for x
    x = 490,819,524,828.72/945,187.60
  6. Step 6: Final answer
    x = 519,282.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.