Home / 915,020.55-1,372,703.40-346,571.82

Finding the Fourth Proportional to 915,020.55, 1,372,703.40 and 346,571.82

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Solution

The fourth proportional to 915,020.55, 1,372,703.40 and 346,571.82 is: 519,923.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,020.55 : 1,372,703.40 = 346,571.82 : x
  2. Step 2: Convert to fraction form
    915,020.55/1,372,703.40 = 346,571.82/x
  3. Step 3: Cross multiply
    915,020.55x = 1,372,703.40 × 346,571.82
  4. Step 4: Simplify right side
    915,020.55x = 475,740,315,658.19
  5. Step 5: Solve for x
    x = 475,740,315,658.19/915,020.55
  6. Step 6: Final answer
    x = 519,923.09

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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.