Home / 730,646.63-1,095,007.66-309,401.27

Finding the Fourth Proportional to 730,646.63, 1,095,007.66 and 309,401.27

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Solution

The fourth proportional to 730,646.63, 1,095,007.66 and 309,401.27 is: 463,694.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,646.63 : 1,095,007.66 = 309,401.27 : x
  2. Step 2: Convert to fraction form
    730,646.63/1,095,007.66 = 309,401.27/x
  3. Step 3: Cross multiply
    730,646.63x = 1,095,007.66 × 309,401.27
  4. Step 4: Simplify right side
    730,646.63x = 338,796,754,415.19
  5. Step 5: Solve for x
    x = 338,796,754,415.19/730,646.63
  6. Step 6: Final answer
    x = 463,694.41

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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.