Home / 855,615.70-1,180,750.01-468,456.21

Finding the Fourth Proportional to 855,615.70, 1,180,750.01 and 468,456.21

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Solution

The fourth proportional to 855,615.70, 1,180,750.01 and 468,456.21 is: 646,469.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,615.70 : 1,180,750.01 = 468,456.21 : x
  2. Step 2: Convert to fraction form
    855,615.70/1,180,750.01 = 468,456.21/x
  3. Step 3: Cross multiply
    855,615.70x = 1,180,750.01 × 468,456.21
  4. Step 4: Simplify right side
    855,615.70x = 553,129,674,642.06
  5. Step 5: Solve for x
    x = 553,129,674,642.06/855,615.70
  6. Step 6: Final answer
    x = 646,469.76

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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.