Home / 915,004.21-1,372,679.03-346,555.53

Finding the Fourth Proportional to 915,004.21, 1,372,679.03 and 346,555.53

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Solution

The fourth proportional to 915,004.21, 1,372,679.03 and 346,555.53 is: 519,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,004.21 : 1,372,679.03 = 346,555.53 : x
  2. Step 2: Convert to fraction form
    915,004.21/1,372,679.03 = 346,555.53/x
  3. Step 3: Cross multiply
    915,004.21x = 1,372,679.03 × 346,555.53
  4. Step 4: Simplify right side
    915,004.21x = 475,709,500,165.36
  5. Step 5: Solve for x
    x = 475,709,500,165.36/915,004.21
  6. Step 6: Final answer
    x = 519,898.70

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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.