Home / 980,018.52-1,470,213.60-340,297.32

Finding the Fourth Proportional to 980,018.52, 1,470,213.60 and 340,297.32

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Solution

The fourth proportional to 980,018.52, 1,470,213.60 and 340,297.32 is: 510,510.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,018.52 : 1,470,213.60 = 340,297.32 : x
  2. Step 2: Convert to fraction form
    980,018.52/1,470,213.60 = 340,297.32/x
  3. Step 3: Cross multiply
    980,018.52x = 1,470,213.60 × 340,297.32
  4. Step 4: Simplify right side
    980,018.52x = 500,309,747,907.55
  5. Step 5: Solve for x
    x = 500,309,747,907.55/980,018.52
  6. Step 6: Final answer
    x = 510,510.50

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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.