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Finding the Fourth Proportional to 536,788, 740,767.44 and 310,448.08

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Solution

The fourth proportional to 536,788, 740,767.44 and 310,448.08 is: 428,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,788 : 740,767.44 = 310,448.08 : x
  2. Step 2: Convert to fraction form
    536,788/740,767.44 = 310,448.08/x
  3. Step 3: Cross multiply
    536,788x = 740,767.44 × 310,448.08
  4. Step 4: Simplify right side
    536,788x = 229,969,829,474.52
  5. Step 5: Solve for x
    x = 229,969,829,474.52/536,788
  6. Step 6: Final answer
    x = 428,418.35

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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.