Home / 646,303.14-891,933.66-359,816.94

Finding the Fourth Proportional to 646,303.14, 891,933.66 and 359,816.94

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Solution

The fourth proportional to 646,303.14, 891,933.66 and 359,816.94 is: 496,567.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,303.14 : 891,933.66 = 359,816.94 : x
  2. Step 2: Convert to fraction form
    646,303.14/891,933.66 = 359,816.94/x
  3. Step 3: Cross multiply
    646,303.14x = 891,933.66 × 359,816.94
  4. Step 4: Simplify right side
    646,303.14x = 320,932,840,224.20
  5. Step 5: Solve for x
    x = 320,932,840,224.20/646,303.14
  6. Step 6: Final answer
    x = 496,567.04

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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.