Home / 476,933.40-658,024.56-285,877.08

Finding the Fourth Proportional to 476,933.40, 658,024.56 and 285,877.08

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Solution

The fourth proportional to 476,933.40, 658,024.56 and 285,877.08 is: 394,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,933.40 : 658,024.56 = 285,877.08 : x
  2. Step 2: Convert to fraction form
    476,933.40/658,024.56 = 285,877.08/x
  3. Step 3: Cross multiply
    476,933.40x = 658,024.56 × 285,877.08
  4. Step 4: Simplify right side
    476,933.40x = 188,114,139,781.09
  5. Step 5: Solve for x
    x = 188,114,139,781.09/476,933.40
  6. Step 6: Final answer
    x = 394,424.34

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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.