Home / 1,003,619.40-1,505,429.10-329,804.70

Finding the Fourth Proportional to 1,003,619.40, 1,505,429.10 and 329,804.70

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Solution

The fourth proportional to 1,003,619.40, 1,505,429.10 and 329,804.70 is: 494,707.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,619.40 : 1,505,429.10 = 329,804.70 : x
  2. Step 2: Convert to fraction form
    1,003,619.40/1,505,429.10 = 329,804.70/x
  3. Step 3: Cross multiply
    1,003,619.40x = 1,505,429.10 × 329,804.70
  4. Step 4: Simplify right side
    1,003,619.40x = 496,497,592,696.77
  5. Step 5: Solve for x
    x = 496,497,592,696.77/1,003,619.40
  6. Step 6: Final answer
    x = 494,707.05

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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.