Home / 807,284.64-1,113,995.26-480,580.32

Finding the Fourth Proportional to 807,284.64, 1,113,995.26 and 480,580.32

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Solution

The fourth proportional to 807,284.64, 1,113,995.26 and 480,580.32 is: 663,166.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,284.64 : 1,113,995.26 = 480,580.32 : x
  2. Step 2: Convert to fraction form
    807,284.64/1,113,995.26 = 480,580.32/x
  3. Step 3: Cross multiply
    807,284.64x = 1,113,995.26 × 480,580.32
  4. Step 4: Simplify right side
    807,284.64x = 535,364,198,529.28
  5. Step 5: Solve for x
    x = 535,364,198,529.28/807,284.64
  6. Step 6: Final answer
    x = 663,166.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.