Home / 730,378.80-1,095,568.20-719,881.20

Finding the Fourth Proportional to 730,378.80, 1,095,568.20 and 719,881.20

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Solution

The fourth proportional to 730,378.80, 1,095,568.20 and 719,881.20 is: 1,079,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,378.80 : 1,095,568.20 = 719,881.20 : x
  2. Step 2: Convert to fraction form
    730,378.80/1,095,568.20 = 719,881.20/x
  3. Step 3: Cross multiply
    730,378.80x = 1,095,568.20 × 719,881.20
  4. Step 4: Simplify right side
    730,378.80x = 788,678,950,497.84
  5. Step 5: Solve for x
    x = 788,678,950,497.84/730,378.80
  6. Step 6: Final answer
    x = 1,079,821.80

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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.