Home / 891,835.12-1,337,751.92-512,513.92

Finding the Fourth Proportional to 891,835.12, 1,337,751.92 and 512,513.92

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Solution

The fourth proportional to 891,835.12, 1,337,751.92 and 512,513.92 is: 768,770.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,835.12 : 1,337,751.92 = 512,513.92 : x
  2. Step 2: Convert to fraction form
    891,835.12/1,337,751.92 = 512,513.92/x
  3. Step 3: Cross multiply
    891,835.12x = 1,337,751.92 × 512,513.92
  4. Step 4: Simplify right side
    891,835.12x = 685,616,480,506.73
  5. Step 5: Solve for x
    x = 685,616,480,506.73/891,835.12
  6. Step 6: Final answer
    x = 768,770.44

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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.