Home / 738,150.68-1,018,647.92-398,618.92

Finding the Fourth Proportional to 738,150.68, 1,018,647.92 and 398,618.92

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Solution

The fourth proportional to 738,150.68, 1,018,647.92 and 398,618.92 is: 550,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,150.68 : 1,018,647.92 = 398,618.92 : x
  2. Step 2: Convert to fraction form
    738,150.68/1,018,647.92 = 398,618.92/x
  3. Step 3: Cross multiply
    738,150.68x = 1,018,647.92 × 398,618.92
  4. Step 4: Simplify right side
    738,150.68x = 406,052,333,730.65
  5. Step 5: Solve for x
    x = 406,052,333,730.65/738,150.68
  6. Step 6: Final answer
    x = 550,094.10

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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.