Home / 738,723.36-1,019,447.28-416,433.60

Finding the Fourth Proportional to 738,723.36, 1,019,447.28 and 416,433.60

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Solution

The fourth proportional to 738,723.36, 1,019,447.28 and 416,433.60 is: 574,683.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,723.36 : 1,019,447.28 = 416,433.60 : x
  2. Step 2: Convert to fraction form
    738,723.36/1,019,447.28 = 416,433.60/x
  3. Step 3: Cross multiply
    738,723.36x = 1,019,447.28 × 416,433.60
  4. Step 4: Simplify right side
    738,723.36x = 424,532,100,820.61
  5. Step 5: Solve for x
    x = 424,532,100,820.61/738,723.36
  6. Step 6: Final answer
    x = 574,683.47

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Double scale
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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.