Home / 828,209.80-1,242,314.70-295,985.80

Finding the Fourth Proportional to 828,209.80, 1,242,314.70 and 295,985.80

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Solution

The fourth proportional to 828,209.80, 1,242,314.70 and 295,985.80 is: 443,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,209.80 : 1,242,314.70 = 295,985.80 : x
  2. Step 2: Convert to fraction form
    828,209.80/1,242,314.70 = 295,985.80/x
  3. Step 3: Cross multiply
    828,209.80x = 1,242,314.70 × 295,985.80
  4. Step 4: Simplify right side
    828,209.80x = 367,707,510,331.26
  5. Step 5: Solve for x
    x = 367,707,510,331.26/828,209.80
  6. Step 6: Final answer
    x = 443,978.70

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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.