Home / 476,975.90-658,083.12-285,919.58

Finding the Fourth Proportional to 476,975.90, 658,083.12 and 285,919.58

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Solution

The fourth proportional to 476,975.90, 658,083.12 and 285,919.58 is: 394,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,975.90 : 658,083.12 = 285,919.58 : x
  2. Step 2: Convert to fraction form
    476,975.90/658,083.12 = 285,919.58/x
  3. Step 3: Cross multiply
    476,975.90x = 658,083.12 × 285,919.58
  4. Step 4: Simplify right side
    476,975.90x = 188,158,849,275.49
  5. Step 5: Solve for x
    x = 188,158,849,275.49/476,975.90
  6. Step 6: Final answer
    x = 394,482.93

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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.