Home / 654,413.89-981,592.28-205,124.50

Finding the Fourth Proportional to 654,413.89, 981,592.28 and 205,124.50

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Solution

The fourth proportional to 654,413.89, 981,592.28 and 205,124.50 is: 307,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,413.89 : 981,592.28 = 205,124.50 : x
  2. Step 2: Convert to fraction form
    654,413.89/981,592.28 = 205,124.50/x
  3. Step 3: Cross multiply
    654,413.89x = 981,592.28 × 205,124.50
  4. Step 4: Simplify right side
    654,413.89x = 201,348,624,613.24
  5. Step 5: Solve for x
    x = 201,348,624,613.24/654,413.89
  6. Step 6: Final answer
    x = 307,677.80

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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.