Home / 759,922.74-1,048,440.06-449,841.78

Finding the Fourth Proportional to 759,922.74, 1,048,440.06 and 449,841.78

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Solution

The fourth proportional to 759,922.74, 1,048,440.06 and 449,841.78 is: 620,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,922.74 : 1,048,440.06 = 449,841.78 : x
  2. Step 2: Convert to fraction form
    759,922.74/1,048,440.06 = 449,841.78/x
  3. Step 3: Cross multiply
    759,922.74x = 1,048,440.06 × 449,841.78
  4. Step 4: Simplify right side
    759,922.74x = 471,632,142,813.71
  5. Step 5: Solve for x
    x = 471,632,142,813.71/759,922.74
  6. Step 6: Final answer
    x = 620,631.70

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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.