Home / 555,699.39-766,583.25-351,406.05

Finding the Fourth Proportional to 555,699.39, 766,583.25 and 351,406.05

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Solution

The fourth proportional to 555,699.39, 766,583.25 and 351,406.05 is: 484,762.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,699.39 : 766,583.25 = 351,406.05 : x
  2. Step 2: Convert to fraction form
    555,699.39/766,583.25 = 351,406.05/x
  3. Step 3: Cross multiply
    555,699.39x = 766,583.25 × 351,406.05
  4. Step 4: Simplify right side
    555,699.39x = 269,381,991,878.66
  5. Step 5: Solve for x
    x = 269,381,991,878.66/555,699.39
  6. Step 6: Final answer
    x = 484,762.08

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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.