Home / 715,121.04-1,072,664.94-360,039.72

Finding the Fourth Proportional to 715,121.04, 1,072,664.94 and 360,039.72

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Solution

The fourth proportional to 715,121.04, 1,072,664.94 and 360,039.72 is: 540,051.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,121.04 : 1,072,664.94 = 360,039.72 : x
  2. Step 2: Convert to fraction form
    715,121.04/1,072,664.94 = 360,039.72/x
  3. Step 3: Cross multiply
    715,121.04x = 1,072,664.94 × 360,039.72
  4. Step 4: Simplify right side
    715,121.04x = 386,201,984,651.42
  5. Step 5: Solve for x
    x = 386,201,984,651.42/715,121.04
  6. Step 6: Final answer
    x = 540,051.21

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1.5x scale

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.