Home / 947,257.74-1,421,073.32-307,441.98

Finding the Fourth Proportional to 947,257.74, 1,421,073.32 and 307,441.98

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Solution

The fourth proportional to 947,257.74, 1,421,073.32 and 307,441.98 is: 461,223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,257.74 : 1,421,073.32 = 307,441.98 : x
  2. Step 2: Convert to fraction form
    947,257.74/1,421,073.32 = 307,441.98/x
  3. Step 3: Cross multiply
    947,257.74x = 1,421,073.32 × 307,441.98
  4. Step 4: Simplify right side
    947,257.74x = 436,897,593,688.76
  5. Step 5: Solve for x
    x = 436,897,593,688.76/947,257.74
  6. Step 6: Final answer
    x = 461,223.57

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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.