Home / 738,160.95-1,018,662.11-398,629.17

Finding the Fourth Proportional to 738,160.95, 1,018,662.11 and 398,629.17

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Solution

The fourth proportional to 738,160.95, 1,018,662.11 and 398,629.17 is: 550,108.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,160.95 : 1,018,662.11 = 398,629.17 : x
  2. Step 2: Convert to fraction form
    738,160.95/1,018,662.11 = 398,629.17/x
  3. Step 3: Cross multiply
    738,160.95x = 1,018,662.11 × 398,629.17
  4. Step 4: Simplify right side
    738,160.95x = 406,068,429,426.60
  5. Step 5: Solve for x
    x = 406,068,429,426.60/738,160.95
  6. Step 6: Final answer
    x = 550,108.25

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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.