Home / 719,225.04-1,078,503.84-419,791.80

Finding the Fourth Proportional to 719,225.04, 1,078,503.84 and 419,791.80

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Solution

The fourth proportional to 719,225.04, 1,078,503.84 and 419,791.80 is: 629,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,225.04 : 1,078,503.84 = 419,791.80 : x
  2. Step 2: Convert to fraction form
    719,225.04/1,078,503.84 = 419,791.80/x
  3. Step 3: Cross multiply
    719,225.04x = 1,078,503.84 × 419,791.80
  4. Step 4: Simplify right side
    719,225.04x = 452,747,068,300.51
  5. Step 5: Solve for x
    x = 452,747,068,300.51/719,225.04
  6. Step 6: Final answer
    x = 629,492.92

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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.