Home / 448,736.80-619,485.30-346,532.80

Finding the Fourth Proportional to 448,736.80, 619,485.30 and 346,532.80

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Solution

The fourth proportional to 448,736.80, 619,485.30 and 346,532.80 is: 478,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,736.80 : 619,485.30 = 346,532.80 : x
  2. Step 2: Convert to fraction form
    448,736.80/619,485.30 = 346,532.80/x
  3. Step 3: Cross multiply
    448,736.80x = 619,485.30 × 346,532.80
  4. Step 4: Simplify right side
    448,736.80x = 214,671,975,567.84
  5. Step 5: Solve for x
    x = 214,671,975,567.84/448,736.80
  6. Step 6: Final answer
    x = 478,391.73

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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.