Home / 830,415.01-1,145,972.71-448,441.79

Finding the Fourth Proportional to 830,415.01, 1,145,972.71 and 448,441.79

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Solution

The fourth proportional to 830,415.01, 1,145,972.71 and 448,441.79 is: 618,849.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,415.01 : 1,145,972.71 = 448,441.79 : x
  2. Step 2: Convert to fraction form
    830,415.01/1,145,972.71 = 448,441.79/x
  3. Step 3: Cross multiply
    830,415.01x = 1,145,972.71 × 448,441.79
  4. Step 4: Simplify right side
    830,415.01x = 513,902,049,192.62
  5. Step 5: Solve for x
    x = 513,902,049,192.62/830,415.01
  6. Step 6: Final answer
    x = 618,849.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.