Home / 646,218.66-891,746.82-355,773.67

Finding the Fourth Proportional to 646,218.66, 891,746.82 and 355,773.67

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Solution

The fourth proportional to 646,218.66, 891,746.82 and 355,773.67 is: 490,948.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,218.66 : 891,746.82 = 355,773.67 : x
  2. Step 2: Convert to fraction form
    646,218.66/891,746.82 = 355,773.67/x
  3. Step 3: Cross multiply
    646,218.66x = 891,746.82 × 355,773.67
  4. Step 4: Simplify right side
    646,218.66x = 317,260,036,632.86
  5. Step 5: Solve for x
    x = 317,260,036,632.86/646,218.66
  6. Step 6: Final answer
    x = 490,948.43

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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.