Home / 879,860.26-1,320,289.61-475,047.04

Finding the Fourth Proportional to 879,860.26, 1,320,289.61 and 475,047.04

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Solution

The fourth proportional to 879,860.26, 1,320,289.61 and 475,047.04 is: 712,840.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,860.26 : 1,320,289.61 = 475,047.04 : x
  2. Step 2: Convert to fraction form
    879,860.26/1,320,289.61 = 475,047.04/x
  3. Step 3: Cross multiply
    879,860.26x = 1,320,289.61 × 475,047.04
  4. Step 4: Simplify right side
    879,860.26x = 627,199,671,173.25
  5. Step 5: Solve for x
    x = 627,199,671,173.25/879,860.26
  6. Step 6: Final answer
    x = 712,840.09

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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.