Home / 928,971.85-1,393,462.10-255,062.65

Finding the Fourth Proportional to 928,971.85, 1,393,462.10 and 255,062.65

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Solution

The fourth proportional to 928,971.85, 1,393,462.10 and 255,062.65 is: 382,595.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,971.85 : 1,393,462.10 = 255,062.65 : x
  2. Step 2: Convert to fraction form
    928,971.85/1,393,462.10 = 255,062.65/x
  3. Step 3: Cross multiply
    928,971.85x = 1,393,462.10 × 255,062.65
  4. Step 4: Simplify right side
    928,971.85x = 355,420,135,900.57
  5. Step 5: Solve for x
    x = 355,420,135,900.57/928,971.85
  6. Step 6: Final answer
    x = 382,595.16

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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.