Home / 915,071.51-1,372,291.29-375,174.59

Finding the Fourth Proportional to 915,071.51, 1,372,291.29 and 375,174.59

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Solution

The fourth proportional to 915,071.51, 1,372,291.29 and 375,174.59 is: 562,632.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,071.51 : 1,372,291.29 = 375,174.59 : x
  2. Step 2: Convert to fraction form
    915,071.51/1,372,291.29 = 375,174.59/x
  3. Step 3: Cross multiply
    915,071.51x = 1,372,291.29 × 375,174.59
  4. Step 4: Simplify right side
    915,071.51x = 514,848,815,224.87
  5. Step 5: Solve for x
    x = 514,848,815,224.87/915,071.51
  6. Step 6: Final answer
    x = 562,632.33

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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.