Home / 847,311.72-1,270,977.86-248,285.03

Finding the Fourth Proportional to 847,311.72, 1,270,977.86 and 248,285.03

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Solution

The fourth proportional to 847,311.72, 1,270,977.86 and 248,285.03 is: 372,430.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,311.72 : 1,270,977.86 = 248,285.03 : x
  2. Step 2: Convert to fraction form
    847,311.72/1,270,977.86 = 248,285.03/x
  3. Step 3: Cross multiply
    847,311.72x = 1,270,977.86 × 248,285.03
  4. Step 4: Simplify right side
    847,311.72x = 315,564,768,503.12
  5. Step 5: Solve for x
    x = 315,564,768,503.12/847,311.72
  6. Step 6: Final answer
    x = 372,430.55

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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.