Home / 646,041.20-891,527.97-359,561.24

Finding the Fourth Proportional to 646,041.20, 891,527.97 and 359,561.24

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Solution

The fourth proportional to 646,041.20, 891,527.97 and 359,561.24 is: 496,189.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,041.20 : 891,527.97 = 359,561.24 : x
  2. Step 2: Convert to fraction form
    646,041.20/891,527.97 = 359,561.24/x
  3. Step 3: Cross multiply
    646,041.20x = 891,527.97 × 359,561.24
  4. Step 4: Simplify right side
    646,041.20x = 320,558,902,387.88
  5. Step 5: Solve for x
    x = 320,558,902,387.88/646,041.20
  6. Step 6: Final answer
    x = 496,189.57

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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.