Home / 915,068.21-1,372,819.73-316,034.33

Finding the Fourth Proportional to 915,068.21, 1,372,819.73 and 316,034.33

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Solution

The fourth proportional to 915,068.21, 1,372,819.73 and 316,034.33 is: 474,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,068.21 : 1,372,819.73 = 316,034.33 : x
  2. Step 2: Convert to fraction form
    915,068.21/1,372,819.73 = 316,034.33/x
  3. Step 3: Cross multiply
    915,068.21x = 1,372,819.73 × 316,034.33
  4. Step 4: Simplify right side
    915,068.21x = 433,858,155,137.06
  5. Step 5: Solve for x
    x = 433,858,155,137.06/915,068.21
  6. Step 6: Final answer
    x = 474,126.58

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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.