Home / 631,643.31-946,569.30-488,823.75

Finding the Fourth Proportional to 631,643.31, 946,569.30 and 488,823.75

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Solution

The fourth proportional to 631,643.31, 946,569.30 and 488,823.75 is: 732,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,643.31 : 946,569.30 = 488,823.75 : x
  2. Step 2: Convert to fraction form
    631,643.31/946,569.30 = 488,823.75/x
  3. Step 3: Cross multiply
    631,643.31x = 946,569.30 × 488,823.75
  4. Step 4: Simplify right side
    631,643.31x = 462,705,554,860.88
  5. Step 5: Solve for x
    x = 462,705,554,860.88/631,643.31
  6. Step 6: Final answer
    x = 732,542.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.