Home / 738,280.36-1,018,836.42-436,471.72

Finding the Fourth Proportional to 738,280.36, 1,018,836.42 and 436,471.72

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Solution

The fourth proportional to 738,280.36, 1,018,836.42 and 436,471.72 is: 602,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,280.36 : 1,018,836.42 = 436,471.72 : x
  2. Step 2: Convert to fraction form
    738,280.36/1,018,836.42 = 436,471.72/x
  3. Step 3: Cross multiply
    738,280.36x = 1,018,836.42 × 436,471.72
  4. Step 4: Simplify right side
    738,280.36x = 444,693,284,636.04
  5. Step 5: Solve for x
    x = 444,693,284,636.04/738,280.36
  6. Step 6: Final answer
    x = 602,336.60

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