Home / 770,744.32-1,063,668.48-431,192.32

Finding the Fourth Proportional to 770,744.32, 1,063,668.48 and 431,192.32

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Solution

The fourth proportional to 770,744.32, 1,063,668.48 and 431,192.32 is: 595,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,744.32 : 1,063,668.48 = 431,192.32 : x
  2. Step 2: Convert to fraction form
    770,744.32/1,063,668.48 = 431,192.32/x
  3. Step 3: Cross multiply
    770,744.32x = 1,063,668.48 × 431,192.32
  4. Step 4: Simplify right side
    770,744.32x = 458,645,679,602.07
  5. Step 5: Solve for x
    x = 458,645,679,602.07/770,744.32
  6. Step 6: Final answer
    x = 595,068.52

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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.