Home / 557,290.24-768,586.80-375,973.36

Finding the Fourth Proportional to 557,290.24, 768,586.80 and 375,973.36

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Solution

The fourth proportional to 557,290.24, 768,586.80 and 375,973.36 is: 518,523.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,290.24 : 768,586.80 = 375,973.36 : x
  2. Step 2: Convert to fraction form
    557,290.24/768,586.80 = 375,973.36/x
  3. Step 3: Cross multiply
    557,290.24x = 768,586.80 × 375,973.36
  4. Step 4: Simplify right side
    557,290.24x = 288,968,161,647.65
  5. Step 5: Solve for x
    x = 288,968,161,647.65/557,290.24
  6. Step 6: Final answer
    x = 518,523.64

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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.