Home / 698,389.02-1,047,515.49-225,413.82

Finding the Fourth Proportional to 698,389.02, 1,047,515.49 and 225,413.82

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Solution

The fourth proportional to 698,389.02, 1,047,515.49 and 225,413.82 is: 338,098.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,389.02 : 1,047,515.49 = 225,413.82 : x
  2. Step 2: Convert to fraction form
    698,389.02/1,047,515.49 = 225,413.82/x
  3. Step 3: Cross multiply
    698,389.02x = 1,047,515.49 × 225,413.82
  4. Step 4: Simplify right side
    698,389.02x = 236,124,468,110.07
  5. Step 5: Solve for x
    x = 236,124,468,110.07/698,389.02
  6. Step 6: Final answer
    x = 338,098.77

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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.