Home / 646,013.25-891,498.29-359,601.00

Finding the Fourth Proportional to 646,013.25, 891,498.29 and 359,601.00

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Solution

The fourth proportional to 646,013.25, 891,498.29 and 359,601.00 is: 496,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,013.25 : 891,498.29 = 359,601.00 : x
  2. Step 2: Convert to fraction form
    646,013.25/891,498.29 = 359,601.00/x
  3. Step 3: Cross multiply
    646,013.25x = 891,498.29 × 359,601.00
  4. Step 4: Simplify right side
    646,013.25x = 320,583,670,326.79
  5. Step 5: Solve for x
    x = 320,583,670,326.79/646,013.25
  6. Step 6: Final answer
    x = 496,249.37

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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.