Home / 687,153.51-1,030,231.91-461,955.29

Finding the Fourth Proportional to 687,153.51, 1,030,231.91 and 461,955.29

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Solution

The fourth proportional to 687,153.51, 1,030,231.91 and 461,955.29 is: 692,597.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,153.51 : 1,030,231.91 = 461,955.29 : x
  2. Step 2: Convert to fraction form
    687,153.51/1,030,231.91 = 461,955.29/x
  3. Step 3: Cross multiply
    687,153.51x = 1,030,231.91 × 461,955.29
  4. Step 4: Simplify right side
    687,153.51x = 475,921,076,755.03
  5. Step 5: Solve for x
    x = 475,921,076,755.03/687,153.51
  6. Step 6: Final answer
    x = 692,597.90

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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.