Home / 863,085.60-1,294,628.40-302,176.80

Finding the Fourth Proportional to 863,085.60, 1,294,628.40 and 302,176.80

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Solution

The fourth proportional to 863,085.60, 1,294,628.40 and 302,176.80 is: 453,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,085.60 : 1,294,628.40 = 302,176.80 : x
  2. Step 2: Convert to fraction form
    863,085.60/1,294,628.40 = 302,176.80/x
  3. Step 3: Cross multiply
    863,085.60x = 1,294,628.40 × 302,176.80
  4. Step 4: Simplify right side
    863,085.60x = 391,206,667,101.12
  5. Step 5: Solve for x
    x = 391,206,667,101.12/863,085.60
  6. Step 6: Final answer
    x = 453,265.20

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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.