Home / 666,302.31-919,497.33-375,975.51

Finding the Fourth Proportional to 666,302.31, 919,497.33 and 375,975.51

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Solution

The fourth proportional to 666,302.31, 919,497.33 and 375,975.51 is: 518,846.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,302.31 : 919,497.33 = 375,975.51 : x
  2. Step 2: Convert to fraction form
    666,302.31/919,497.33 = 375,975.51/x
  3. Step 3: Cross multiply
    666,302.31x = 919,497.33 × 375,975.51
  4. Step 4: Simplify right side
    666,302.31x = 345,708,477,590.39
  5. Step 5: Solve for x
    x = 345,708,477,590.39/666,302.31
  6. Step 6: Final answer
    x = 518,846.28

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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.