Home / 835,647.60-1,252,613.40-330,003.60

Finding the Fourth Proportional to 835,647.60, 1,252,613.40 and 330,003.60

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Solution

The fourth proportional to 835,647.60, 1,252,613.40 and 330,003.60 is: 494,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,647.60 : 1,252,613.40 = 330,003.60 : x
  2. Step 2: Convert to fraction form
    835,647.60/1,252,613.40 = 330,003.60/x
  3. Step 3: Cross multiply
    835,647.60x = 1,252,613.40 × 330,003.60
  4. Step 4: Simplify right side
    835,647.60x = 413,366,931,408.24
  5. Step 5: Solve for x
    x = 413,366,931,408.24/835,647.60
  6. Step 6: Final answer
    x = 494,666.57

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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.