Home / 646,154.44-969,430.02-330,832.72

Finding the Fourth Proportional to 646,154.44, 969,430.02 and 330,832.72

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Solution

The fourth proportional to 646,154.44, 969,430.02 and 330,832.72 is: 496,350.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,154.44 : 969,430.02 = 330,832.72 : x
  2. Step 2: Convert to fraction form
    646,154.44/969,430.02 = 330,832.72/x
  3. Step 3: Cross multiply
    646,154.44x = 969,430.02 × 330,832.72
  4. Step 4: Simplify right side
    646,154.44x = 320,719,170,366.25
  5. Step 5: Solve for x
    x = 320,719,170,366.25/646,154.44
  6. Step 6: Final answer
    x = 496,350.64

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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.