Home / 669,904.08-1,003,498.56-309,562.62

Finding the Fourth Proportional to 669,904.08, 1,003,498.56 and 309,562.62

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Solution

The fourth proportional to 669,904.08, 1,003,498.56 and 309,562.62 is: 463,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,904.08 : 1,003,498.56 = 309,562.62 : x
  2. Step 2: Convert to fraction form
    669,904.08/1,003,498.56 = 309,562.62/x
  3. Step 3: Cross multiply
    669,904.08x = 1,003,498.56 × 309,562.62
  4. Step 4: Simplify right side
    669,904.08x = 310,645,643,399.83
  5. Step 5: Solve for x
    x = 310,645,643,399.83/669,904.08
  6. Step 6: Final answer
    x = 463,716.60

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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.