Home / 720,307.04-994,080.44-410,222.81

Finding the Fourth Proportional to 720,307.04, 994,080.44 and 410,222.81

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Solution

The fourth proportional to 720,307.04, 994,080.44 and 410,222.81 is: 566,139.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,307.04 : 994,080.44 = 410,222.81 : x
  2. Step 2: Convert to fraction form
    720,307.04/994,080.44 = 410,222.81/x
  3. Step 3: Cross multiply
    720,307.04x = 994,080.44 × 410,222.81
  4. Step 4: Simplify right side
    720,307.04x = 407,794,471,896.92
  5. Step 5: Solve for x
    x = 407,794,471,896.92/720,307.04
  6. Step 6: Final answer
    x = 566,139.78

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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.