Home / 519,735.13-717,234.47-281,271.13

Finding the Fourth Proportional to 519,735.13, 717,234.47 and 281,271.13

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Solution

The fourth proportional to 519,735.13, 717,234.47 and 281,271.13 is: 388,154.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,735.13 : 717,234.47 = 281,271.13 : x
  2. Step 2: Convert to fraction form
    519,735.13/717,234.47 = 281,271.13/x
  3. Step 3: Cross multiply
    519,735.13x = 717,234.47 × 281,271.13
  4. Step 4: Simplify right side
    519,735.13x = 201,737,349,851.85
  5. Step 5: Solve for x
    x = 201,737,349,851.85/519,735.13
  6. Step 6: Final answer
    x = 388,154.15

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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.