Home / 515,446.24-773,280.40-155,586.94

Finding the Fourth Proportional to 515,446.24, 773,280.40 and 155,586.94

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Solution

The fourth proportional to 515,446.24, 773,280.40 and 155,586.94 is: 233,413.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,446.24 : 773,280.40 = 155,586.94 : x
  2. Step 2: Convert to fraction form
    515,446.24/773,280.40 = 155,586.94/x
  3. Step 3: Cross multiply
    515,446.24x = 773,280.40 × 155,586.94
  4. Step 4: Simplify right side
    515,446.24x = 120,312,331,197.98
  5. Step 5: Solve for x
    x = 120,312,331,197.98/515,446.24
  6. Step 6: Final answer
    x = 233,413.93

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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.