Home / 646,073.32-891,566.34-359,575.72

Finding the Fourth Proportional to 646,073.32, 891,566.34 and 359,575.72

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Solution

The fourth proportional to 646,073.32, 891,566.34 and 359,575.72 is: 496,206.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,073.32 : 891,566.34 = 359,575.72 : x
  2. Step 2: Convert to fraction form
    646,073.32/891,566.34 = 359,575.72/x
  3. Step 3: Cross multiply
    646,073.32x = 891,566.34 × 359,575.72
  4. Step 4: Simplify right side
    646,073.32x = 320,585,608,633.27
  5. Step 5: Solve for x
    x = 320,585,608,633.27/646,073.32
  6. Step 6: Final answer
    x = 496,206.23

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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.