Home / 855,525.16-1,180,751.28-492,880.04

Finding the Fourth Proportional to 855,525.16, 1,180,751.28 and 492,880.04

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Solution

The fourth proportional to 855,525.16, 1,180,751.28 and 492,880.04 is: 680,247.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,525.16 : 1,180,751.28 = 492,880.04 : x
  2. Step 2: Convert to fraction form
    855,525.16/1,180,751.28 = 492,880.04/x
  3. Step 3: Cross multiply
    855,525.16x = 1,180,751.28 × 492,880.04
  4. Step 4: Simplify right side
    855,525.16x = 581,968,738,116.45
  5. Step 5: Solve for x
    x = 581,968,738,116.45/855,525.16
  6. Step 6: Final answer
    x = 680,247.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.