Home / 809,479.44-1,117,075.68-446,903.28

Finding the Fourth Proportional to 809,479.44, 1,117,075.68 and 446,903.28

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Solution

The fourth proportional to 809,479.44, 1,117,075.68 and 446,903.28 is: 616,723.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,479.44 : 1,117,075.68 = 446,903.28 : x
  2. Step 2: Convert to fraction form
    809,479.44/1,117,075.68 = 446,903.28/x
  3. Step 3: Cross multiply
    809,479.44x = 1,117,075.68 × 446,903.28
  4. Step 4: Simplify right side
    809,479.44x = 499,224,785,400.23
  5. Step 5: Solve for x
    x = 499,224,785,400.23/809,479.44
  6. Step 6: Final answer
    x = 616,723.24

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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.