Home / 531,930.08-734,091.60-305,590.16

Finding the Fourth Proportional to 531,930.08, 734,091.60 and 305,590.16

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Solution

The fourth proportional to 531,930.08, 734,091.60 and 305,590.16 is: 421,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,930.08 : 734,091.60 = 305,590.16 : x
  2. Step 2: Convert to fraction form
    531,930.08/734,091.60 = 305,590.16/x
  3. Step 3: Cross multiply
    531,930.08x = 734,091.60 × 305,590.16
  4. Step 4: Simplify right side
    531,930.08x = 224,331,169,498.66
  5. Step 5: Solve for x
    x = 224,331,169,498.66/531,930.08
  6. Step 6: Final answer
    x = 421,730.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.