Home / 476,970.66-658,075.96-285,914.34

Finding the Fourth Proportional to 476,970.66, 658,075.96 and 285,914.34

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Solution

The fourth proportional to 476,970.66, 658,075.96 and 285,914.34 is: 394,475.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,970.66 : 658,075.96 = 285,914.34 : x
  2. Step 2: Convert to fraction form
    476,970.66/658,075.96 = 285,914.34/x
  3. Step 3: Cross multiply
    476,970.66x = 658,075.96 × 285,914.34
  4. Step 4: Simplify right side
    476,970.66x = 188,153,353,773.27
  5. Step 5: Solve for x
    x = 188,153,353,773.27/476,970.66
  6. Step 6: Final answer
    x = 394,475.74

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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.