Home / 436,669.60-653,449.20-302,922.40

Finding the Fourth Proportional to 436,669.60, 653,449.20 and 302,922.40

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Solution

The fourth proportional to 436,669.60, 653,449.20 and 302,922.40 is: 453,304.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,669.60 : 653,449.20 = 302,922.40 : x
  2. Step 2: Convert to fraction form
    436,669.60/653,449.20 = 302,922.40/x
  3. Step 3: Cross multiply
    436,669.60x = 653,449.20 × 302,922.40
  4. Step 4: Simplify right side
    436,669.60x = 197,944,399,942.08
  5. Step 5: Solve for x
    x = 197,944,399,942.08/436,669.60
  6. Step 6: Final answer
    x = 453,304.74

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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.