Home / 722,681.55-1,083,584.93-323,247.87

Finding the Fourth Proportional to 722,681.55, 1,083,584.93 and 323,247.87

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Solution

The fourth proportional to 722,681.55, 1,083,584.93 and 323,247.87 is: 484,676.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,681.55 : 1,083,584.93 = 323,247.87 : x
  2. Step 2: Convert to fraction form
    722,681.55/1,083,584.93 = 323,247.87/x
  3. Step 3: Cross multiply
    722,681.55x = 1,083,584.93 × 323,247.87
  4. Step 4: Simplify right side
    722,681.55x = 350,266,518,970.36
  5. Step 5: Solve for x
    x = 350,266,518,970.36/722,681.55
  6. Step 6: Final answer
    x = 484,676.16

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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.