Home / 738,400.80-1,018,997.04-416,115.84

Finding the Fourth Proportional to 738,400.80, 1,018,997.04 and 416,115.84

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Solution

The fourth proportional to 738,400.80, 1,018,997.04 and 416,115.84 is: 574,242.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,400.80 : 1,018,997.04 = 416,115.84 : x
  2. Step 2: Convert to fraction form
    738,400.80/1,018,997.04 = 416,115.84/x
  3. Step 3: Cross multiply
    738,400.80x = 1,018,997.04 × 416,115.84
  4. Step 4: Simplify right side
    738,400.80x = 424,020,809,257.11
  5. Step 5: Solve for x
    x = 424,020,809,257.11/738,400.80
  6. Step 6: Final answer
    x = 574,242.08

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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.