Home / 646,739.20-970,546.20-362,429.20

Finding the Fourth Proportional to 646,739.20, 970,546.20 and 362,429.20

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Solution

The fourth proportional to 646,739.20, 970,546.20 and 362,429.20 is: 543,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,739.20 : 970,546.20 = 362,429.20 : x
  2. Step 2: Convert to fraction form
    646,739.20/970,546.20 = 362,429.20/x
  3. Step 3: Cross multiply
    646,739.20x = 970,546.20 × 362,429.20
  4. Step 4: Simplify right side
    646,739.20x = 351,754,282,829.04
  5. Step 5: Solve for x
    x = 351,754,282,829.04/646,739.20
  6. Step 6: Final answer
    x = 543,888.92

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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.