Home / 869,421.44-1,199,356.80-579,532.16

Finding the Fourth Proportional to 869,421.44, 1,199,356.80 and 579,532.16

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Solution

The fourth proportional to 869,421.44, 1,199,356.80 and 579,532.16 is: 799,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,421.44 : 1,199,356.80 = 579,532.16 : x
  2. Step 2: Convert to fraction form
    869,421.44/1,199,356.80 = 579,532.16/x
  3. Step 3: Cross multiply
    869,421.44x = 1,199,356.80 × 579,532.16
  4. Step 4: Simplify right side
    869,421.44x = 695,065,836,914.69
  5. Step 5: Solve for x
    x = 695,065,836,914.69/869,421.44
  6. Step 6: Final answer
    x = 799,457.90

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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.