Home / 939,823.20-1,296,957.24-510,103.32

Finding the Fourth Proportional to 939,823.20, 1,296,957.24 and 510,103.32

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Solution

The fourth proportional to 939,823.20, 1,296,957.24 and 510,103.32 is: 703,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,823.20 : 1,296,957.24 = 510,103.32 : x
  2. Step 2: Convert to fraction form
    939,823.20/1,296,957.24 = 510,103.32/x
  3. Step 3: Cross multiply
    939,823.20x = 1,296,957.24 × 510,103.32
  4. Step 4: Simplify right side
    939,823.20x = 661,582,194,022.04
  5. Step 5: Solve for x
    x = 661,582,194,022.04/939,823.20
  6. Step 6: Final answer
    x = 703,943.25

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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.