Home / 404,942.20-607,413.30-284,219.80

Finding the Fourth Proportional to 404,942.20, 607,413.30 and 284,219.80

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Solution

The fourth proportional to 404,942.20, 607,413.30 and 284,219.80 is: 426,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,942.20 : 607,413.30 = 284,219.80 : x
  2. Step 2: Convert to fraction form
    404,942.20/607,413.30 = 284,219.80/x
  3. Step 3: Cross multiply
    404,942.20x = 607,413.30 × 284,219.80
  4. Step 4: Simplify right side
    404,942.20x = 172,638,886,643.34
  5. Step 5: Solve for x
    x = 172,638,886,643.34/404,942.20
  6. Step 6: Final answer
    x = 426,329.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.