Home / 646,534.30-892,153.47-360,081.04

Finding the Fourth Proportional to 646,534.30, 892,153.47 and 360,081.04

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Solution

The fourth proportional to 646,534.30, 892,153.47 and 360,081.04 is: 496,876.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,534.30 : 892,153.47 = 360,081.04 : x
  2. Step 2: Convert to fraction form
    646,534.30/892,153.47 = 360,081.04/x
  3. Step 3: Cross multiply
    646,534.30x = 892,153.47 × 360,081.04
  4. Step 4: Simplify right side
    646,534.30x = 321,247,549,317.21
  5. Step 5: Solve for x
    x = 321,247,549,317.21/646,534.30
  6. Step 6: Final answer
    x = 496,876.27

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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.