Home / 528,743.94-729,670.93-293,001.76

Finding the Fourth Proportional to 528,743.94, 729,670.93 and 293,001.76

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Solution

The fourth proportional to 528,743.94, 729,670.93 and 293,001.76 is: 404,344.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,743.94 : 729,670.93 = 293,001.76 : x
  2. Step 2: Convert to fraction form
    528,743.94/729,670.93 = 293,001.76/x
  3. Step 3: Cross multiply
    528,743.94x = 729,670.93 × 293,001.76
  4. Step 4: Simplify right side
    528,743.94x = 213,794,869,354.65
  5. Step 5: Solve for x
    x = 213,794,869,354.65/528,743.94
  6. Step 6: Final answer
    x = 404,344.81

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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.