Home / 476,955.90-658,055.61-285,899.58

Finding the Fourth Proportional to 476,955.90, 658,055.61 and 285,899.58

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Solution

The fourth proportional to 476,955.90, 658,055.61 and 285,899.58 is: 394,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,955.90 : 658,055.61 = 285,899.58 : x
  2. Step 2: Convert to fraction form
    476,955.90/658,055.61 = 285,899.58/x
  3. Step 3: Cross multiply
    476,955.90x = 658,055.61 × 285,899.58
  4. Step 4: Simplify right side
    476,955.90x = 188,137,822,515.64
  5. Step 5: Solve for x
    x = 188,137,822,515.64/476,955.90
  6. Step 6: Final answer
    x = 394,455.38

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1.5x scale

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.