Home / 928,975.16-1,393,209.80-254,896.65

Finding the Fourth Proportional to 928,975.16, 1,393,209.80 and 254,896.65

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Solution

The fourth proportional to 928,975.16, 1,393,209.80 and 254,896.65 is: 382,275.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,975.16 : 1,393,209.80 = 254,896.65 : x
  2. Step 2: Convert to fraction form
    928,975.16/1,393,209.80 = 254,896.65/x
  3. Step 3: Cross multiply
    928,975.16x = 1,393,209.80 × 254,896.65
  4. Step 4: Simplify right side
    928,975.16x = 355,124,509,492.69
  5. Step 5: Solve for x
    x = 355,124,509,492.69/928,975.16
  6. Step 6: Final answer
    x = 382,275.57

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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.