Home / 646,132.44-891,746.44-370,597.76

Finding the Fourth Proportional to 646,132.44, 891,746.44 and 370,597.76

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Solution

The fourth proportional to 646,132.44, 891,746.44 and 370,597.76 is: 511,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,132.44 : 891,746.44 = 370,597.76 : x
  2. Step 2: Convert to fraction form
    646,132.44/891,746.44 = 370,597.76/x
  3. Step 3: Cross multiply
    646,132.44x = 891,746.44 × 370,597.76
  4. Step 4: Simplify right side
    646,132.44x = 330,479,233,151.97
  5. Step 5: Solve for x
    x = 330,479,233,151.97/646,132.44
  6. Step 6: Final answer
    x = 511,472.90

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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.