Home / 959,364.57-1,438,564.91-319,442.10

Finding the Fourth Proportional to 959,364.57, 1,438,564.91 and 319,442.10

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Solution

The fourth proportional to 959,364.57, 1,438,564.91 and 319,442.10 is: 479,002.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,364.57 : 1,438,564.91 = 319,442.10 : x
  2. Step 2: Convert to fraction form
    959,364.57/1,438,564.91 = 319,442.10/x
  3. Step 3: Cross multiply
    959,364.57x = 1,438,564.91 × 319,442.10
  4. Step 4: Simplify right side
    959,364.57x = 459,538,194,239.50
  5. Step 5: Solve for x
    x = 459,538,194,239.50/959,364.57
  6. Step 6: Final answer
    x = 479,002.67

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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.