Home / 947,542.50-1,421,409.33-307,819.62

Finding the Fourth Proportional to 947,542.50, 1,421,409.33 and 307,819.62

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Solution

The fourth proportional to 947,542.50, 1,421,409.33 and 307,819.62 is: 461,760.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,542.50 : 1,421,409.33 = 307,819.62 : x
  2. Step 2: Convert to fraction form
    947,542.50/1,421,409.33 = 307,819.62/x
  3. Step 3: Cross multiply
    947,542.50x = 1,421,409.33 × 307,819.62
  4. Step 4: Simplify right side
    947,542.50x = 437,537,679,825.06
  5. Step 5: Solve for x
    x = 437,537,679,825.06/947,542.50
  6. Step 6: Final answer
    x = 461,760.48

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1.5x scale

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.