Home / 519,547.23-779,351.09-145,599.39

Finding the Fourth Proportional to 519,547.23, 779,351.09 and 145,599.39

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Solution

The fourth proportional to 519,547.23, 779,351.09 and 145,599.39 is: 218,407.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,547.23 : 779,351.09 = 145,599.39 : x
  2. Step 2: Convert to fraction form
    519,547.23/779,351.09 = 145,599.39/x
  3. Step 3: Cross multiply
    519,547.23x = 779,351.09 × 145,599.39
  4. Step 4: Simplify right side
    519,547.23x = 113,473,042,571.84
  5. Step 5: Solve for x
    x = 113,473,042,571.84/519,547.23
  6. Step 6: Final answer
    x = 218,407.56

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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.