Home / 484,623.40-727,367.10-284,693.80

Finding the Fourth Proportional to 484,623.40, 727,367.10 and 284,693.80

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Solution

The fourth proportional to 484,623.40, 727,367.10 and 284,693.80 is: 427,294.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,623.40 : 727,367.10 = 284,693.80 : x
  2. Step 2: Convert to fraction form
    484,623.40/727,367.10 = 284,693.80/x
  3. Step 3: Cross multiply
    484,623.40x = 727,367.10 × 284,693.80
  4. Step 4: Simplify right side
    484,623.40x = 207,076,903,693.98
  5. Step 5: Solve for x
    x = 207,076,903,693.98/484,623.40
  6. Step 6: Final answer
    x = 427,294.48

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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.