Home / 947,269.71-1,421,916.07-407,793

Finding the Fourth Proportional to 947,269.71, 1,421,916.07 and 407,793

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Solution

The fourth proportional to 947,269.71, 1,421,916.07 and 407,793 is: 612,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,269.71 : 1,421,916.07 = 407,793 : x
  2. Step 2: Convert to fraction form
    947,269.71/1,421,916.07 = 407,793/x
  3. Step 3: Cross multiply
    947,269.71x = 1,421,916.07 × 407,793
  4. Step 4: Simplify right side
    947,269.71x = 579,847,419,933.51
  5. Step 5: Solve for x
    x = 579,847,419,933.51/947,269.71
  6. Step 6: Final answer
    x = 612,124.95

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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.