Home / 954,458.30-1,317,138.26-518,861.18

Finding the Fourth Proportional to 954,458.30, 1,317,138.26 and 518,861.18

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Solution

The fourth proportional to 954,458.30, 1,317,138.26 and 518,861.18 is: 716,020.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,458.30 : 1,317,138.26 = 518,861.18 : x
  2. Step 2: Convert to fraction form
    954,458.30/1,317,138.26 = 518,861.18/x
  3. Step 3: Cross multiply
    954,458.30x = 1,317,138.26 × 518,861.18
  4. Step 4: Simplify right side
    954,458.30x = 683,411,911,806.75
  5. Step 5: Solve for x
    x = 683,411,911,806.75/954,458.30
  6. Step 6: Final answer
    x = 716,020.71

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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.