Home / 617,849.76-852,434.40-345,877.60

Finding the Fourth Proportional to 617,849.76, 852,434.40 and 345,877.60

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Solution

The fourth proportional to 617,849.76, 852,434.40 and 345,877.60 is: 477,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,849.76 : 852,434.40 = 345,877.60 : x
  2. Step 2: Convert to fraction form
    617,849.76/852,434.40 = 345,877.60/x
  3. Step 3: Cross multiply
    617,849.76x = 852,434.40 × 345,877.60
  4. Step 4: Simplify right side
    617,849.76x = 294,837,964,429.44
  5. Step 5: Solve for x
    x = 294,837,964,429.44/617,849.76
  6. Step 6: Final answer
    x = 477,200.10

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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.