Home / 879,780.50-1,214,097.09-477,372.50

Finding the Fourth Proportional to 879,780.50, 1,214,097.09 and 477,372.50

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Solution

The fourth proportional to 879,780.50, 1,214,097.09 and 477,372.50 is: 658,774.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,780.50 : 1,214,097.09 = 477,372.50 : x
  2. Step 2: Convert to fraction form
    879,780.50/1,214,097.09 = 477,372.50/x
  3. Step 3: Cross multiply
    879,780.50x = 1,214,097.09 × 477,372.50
  4. Step 4: Simplify right side
    879,780.50x = 579,576,563,096.03
  5. Step 5: Solve for x
    x = 579,576,563,096.03/879,780.50
  6. Step 6: Final answer
    x = 658,774.05

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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.