Home / 915,021.70-1,372,705.18-346,573.01

Finding the Fourth Proportional to 915,021.70, 1,372,705.18 and 346,573.01

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Solution

The fourth proportional to 915,021.70, 1,372,705.18 and 346,573.01 is: 519,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,021.70 : 1,372,705.18 = 346,573.01 : x
  2. Step 2: Convert to fraction form
    915,021.70/1,372,705.18 = 346,573.01/x
  3. Step 3: Cross multiply
    915,021.70x = 1,372,705.18 × 346,573.01
  4. Step 4: Simplify right side
    915,021.70x = 475,742,568,640.52
  5. Step 5: Solve for x
    x = 475,742,568,640.52/915,021.70
  6. Step 6: Final answer
    x = 519,924.90

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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.