Home / 869,464.84-1,199,574.66-525,172.12

Finding the Fourth Proportional to 869,464.84, 1,199,574.66 and 525,172.12

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Solution

The fourth proportional to 869,464.84, 1,199,574.66 and 525,172.12 is: 724,564.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,464.84 : 1,199,574.66 = 525,172.12 : x
  2. Step 2: Convert to fraction form
    869,464.84/1,199,574.66 = 525,172.12/x
  3. Step 3: Cross multiply
    869,464.84x = 1,199,574.66 × 525,172.12
  4. Step 4: Simplify right side
    869,464.84x = 629,983,167,290.48
  5. Step 5: Solve for x
    x = 629,983,167,290.48/869,464.84
  6. Step 6: Final answer
    x = 724,564.28

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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.