Home / 373,721.40-560,582.10-289,740.60

Finding the Fourth Proportional to 373,721.40, 560,582.10 and 289,740.60

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Solution

The fourth proportional to 373,721.40, 560,582.10 and 289,740.60 is: 434,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,721.40 : 560,582.10 = 289,740.60 : x
  2. Step 2: Convert to fraction form
    373,721.40/560,582.10 = 289,740.60/x
  3. Step 3: Cross multiply
    373,721.40x = 560,582.10 × 289,740.60
  4. Step 4: Simplify right side
    373,721.40x = 162,423,394,003.26
  5. Step 5: Solve for x
    x = 162,423,394,003.26/373,721.40
  6. Step 6: Final answer
    x = 434,610.90

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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.