Home / 929,933.60-1,394,900.40-331,570.40

Finding the Fourth Proportional to 929,933.60, 1,394,900.40 and 331,570.40

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Solution

The fourth proportional to 929,933.60, 1,394,900.40 and 331,570.40 is: 497,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,933.60 : 1,394,900.40 = 331,570.40 : x
  2. Step 2: Convert to fraction form
    929,933.60/1,394,900.40 = 331,570.40/x
  3. Step 3: Cross multiply
    929,933.60x = 1,394,900.40 × 331,570.40
  4. Step 4: Simplify right side
    929,933.60x = 462,507,683,588.16
  5. Step 5: Solve for x
    x = 462,507,683,588.16/929,933.60
  6. Step 6: Final answer
    x = 497,355.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.