Home / 734,548.64-1,012,999.37-489,673.89

Finding the Fourth Proportional to 734,548.64, 1,012,999.37 and 489,673.89

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Solution

The fourth proportional to 734,548.64, 1,012,999.37 and 489,673.89 is: 675,298.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,548.64 : 1,012,999.37 = 489,673.89 : x
  2. Step 2: Convert to fraction form
    734,548.64/1,012,999.37 = 489,673.89/x
  3. Step 3: Cross multiply
    734,548.64x = 1,012,999.37 × 489,673.89
  4. Step 4: Simplify right side
    734,548.64x = 496,039,339,627.08
  5. Step 5: Solve for x
    x = 496,039,339,627.08/734,548.64
  6. Step 6: Final answer
    x = 675,298.16

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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.