Home / 915,199.34-1,371,986.78-346,182.03

Finding the Fourth Proportional to 915,199.34, 1,371,986.78 and 346,182.03

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Solution

The fourth proportional to 915,199.34, 1,371,986.78 and 346,182.03 is: 518,965.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,199.34 : 1,371,986.78 = 346,182.03 : x
  2. Step 2: Convert to fraction form
    915,199.34/1,371,986.78 = 346,182.03/x
  3. Step 3: Cross multiply
    915,199.34x = 1,371,986.78 × 346,182.03
  4. Step 4: Simplify right side
    915,199.34x = 474,957,166,902.65
  5. Step 5: Solve for x
    x = 474,957,166,902.65/915,199.34
  6. Step 6: Final answer
    x = 518,965.81

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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.