Home / 677,618.96-1,016,057.32-312,484.32

Finding the Fourth Proportional to 677,618.96, 1,016,057.32 and 312,484.32

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Solution

The fourth proportional to 677,618.96, 1,016,057.32 and 312,484.32 is: 468,555.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,618.96 : 1,016,057.32 = 312,484.32 : x
  2. Step 2: Convert to fraction form
    677,618.96/1,016,057.32 = 312,484.32/x
  3. Step 3: Cross multiply
    677,618.96x = 1,016,057.32 × 312,484.32
  4. Step 4: Simplify right side
    677,618.96x = 317,501,979,940.01
  5. Step 5: Solve for x
    x = 317,501,979,940.01/677,618.96
  6. Step 6: Final answer
    x = 468,555.34

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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.