Home / 879,877.10-1,214,230.40-477,469.10

Finding the Fourth Proportional to 879,877.10, 1,214,230.40 and 477,469.10

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Solution

The fourth proportional to 879,877.10, 1,214,230.40 and 477,469.10 is: 658,907.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,877.10 : 1,214,230.40 = 477,469.10 : x
  2. Step 2: Convert to fraction form
    879,877.10/1,214,230.40 = 477,469.10/x
  3. Step 3: Cross multiply
    879,877.10x = 1,214,230.40 × 477,469.10
  4. Step 4: Simplify right side
    879,877.10x = 579,757,496,280.64
  5. Step 5: Solve for x
    x = 579,757,496,280.64/879,877.10
  6. Step 6: Final answer
    x = 658,907.36

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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.