Home / 740,928.16-1,022,480.76-401,396.32

Finding the Fourth Proportional to 740,928.16, 1,022,480.76 and 401,396.32

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Solution

The fourth proportional to 740,928.16, 1,022,480.76 and 401,396.32 is: 553,926.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,928.16 : 1,022,480.76 = 401,396.32 : x
  2. Step 2: Convert to fraction form
    740,928.16/1,022,480.76 = 401,396.32/x
  3. Step 3: Cross multiply
    740,928.16x = 1,022,480.76 × 401,396.32
  4. Step 4: Simplify right side
    740,928.16x = 410,420,014,334.80
  5. Step 5: Solve for x
    x = 410,420,014,334.80/740,928.16
  6. Step 6: Final answer
    x = 553,926.87

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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.