Home / 843,682.20-1,164,101.40-499,626.24

Finding the Fourth Proportional to 843,682.20, 1,164,101.40 and 499,626.24

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Solution

The fourth proportional to 843,682.20, 1,164,101.40 and 499,626.24 is: 689,377.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,682.20 : 1,164,101.40 = 499,626.24 : x
  2. Step 2: Convert to fraction form
    843,682.20/1,164,101.40 = 499,626.24/x
  3. Step 3: Cross multiply
    843,682.20x = 1,164,101.40 × 499,626.24
  4. Step 4: Simplify right side
    843,682.20x = 581,615,605,460.74
  5. Step 5: Solve for x
    x = 581,615,605,460.74/843,682.20
  6. Step 6: Final answer
    x = 689,377.59

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1.5x scale

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.