Home / 628,788.60-943,322.04-229,428.21

Finding the Fourth Proportional to 628,788.60, 943,322.04 and 229,428.21

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Solution

The fourth proportional to 628,788.60, 943,322.04 and 229,428.21 is: 344,193.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,788.60 : 943,322.04 = 229,428.21 : x
  2. Step 2: Convert to fraction form
    628,788.60/943,322.04 = 229,428.21/x
  3. Step 3: Cross multiply
    628,788.60x = 943,322.04 × 229,428.21
  4. Step 4: Simplify right side
    628,788.60x = 216,424,687,090.75
  5. Step 5: Solve for x
    x = 216,424,687,090.75/628,788.60
  6. Step 6: Final answer
    x = 344,193.08

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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.