Home / 646,038.20-891,523.83-359,558.24

Finding the Fourth Proportional to 646,038.20, 891,523.83 and 359,558.24

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Solution

The fourth proportional to 646,038.20, 891,523.83 and 359,558.24 is: 496,185.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,038.20 : 891,523.83 = 359,558.24 : x
  2. Step 2: Convert to fraction form
    646,038.20/891,523.83 = 359,558.24/x
  3. Step 3: Cross multiply
    646,038.20x = 891,523.83 × 359,558.24
  4. Step 4: Simplify right side
    646,038.20x = 320,554,739,232.86
  5. Step 5: Solve for x
    x = 320,554,739,232.86/646,038.20
  6. Step 6: Final answer
    x = 496,185.43

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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.