Home / 404,128.44-557,561.88-260,985.24

Finding the Fourth Proportional to 404,128.44, 557,561.88 and 260,985.24

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Solution

The fourth proportional to 404,128.44, 557,561.88 and 260,985.24 is: 360,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,128.44 : 557,561.88 = 260,985.24 : x
  2. Step 2: Convert to fraction form
    404,128.44/557,561.88 = 260,985.24/x
  3. Step 3: Cross multiply
    404,128.44x = 557,561.88 × 260,985.24
  4. Step 4: Simplify right side
    404,128.44x = 145,515,421,066.65
  5. Step 5: Solve for x
    x = 145,515,421,066.65/404,128.44
  6. Step 6: Final answer
    x = 360,072.21

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1.5x scale

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.