Home / 401,539.03-554,379.06-358,442.98

Finding the Fourth Proportional to 401,539.03, 554,379.06 and 358,442.98

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Solution

The fourth proportional to 401,539.03, 554,379.06 and 358,442.98 is: 494,879.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,539.03 : 554,379.06 = 358,442.98 : x
  2. Step 2: Convert to fraction form
    401,539.03/554,379.06 = 358,442.98/x
  3. Step 3: Cross multiply
    401,539.03x = 554,379.06 × 358,442.98
  4. Step 4: Simplify right side
    401,539.03x = 198,713,282,316.00
  5. Step 5: Solve for x
    x = 198,713,282,316.00/401,539.03
  6. Step 6: Final answer
    x = 494,879.12

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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.