Home / 1,107,699.28-1,661,401.28-308,913.93

Finding the Fourth Proportional to 1,107,699.28, 1,661,401.28 and 308,913.93

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Solution

The fourth proportional to 1,107,699.28, 1,661,401.28 and 308,913.93 is: 463,329.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,699.28 : 1,661,401.28 = 308,913.93 : x
  2. Step 2: Convert to fraction form
    1,107,699.28/1,661,401.28 = 308,913.93/x
  3. Step 3: Cross multiply
    1,107,699.28x = 1,661,401.28 × 308,913.93
  4. Step 4: Simplify right side
    1,107,699.28x = 513,229,999,484.12
  5. Step 5: Solve for x
    x = 513,229,999,484.12/1,107,699.28
  6. Step 6: Final answer
    x = 463,329.72

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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.