Home / 855,328.50-1,180,335.06-468,143.82

Finding the Fourth Proportional to 855,328.50, 1,180,335.06 and 468,143.82

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Solution

The fourth proportional to 855,328.50, 1,180,335.06 and 468,143.82 is: 646,028.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,328.50 : 1,180,335.06 = 468,143.82 : x
  2. Step 2: Convert to fraction form
    855,328.50/1,180,335.06 = 468,143.82/x
  3. Step 3: Cross multiply
    855,328.50x = 1,180,335.06 × 468,143.82
  4. Step 4: Simplify right side
    855,328.50x = 552,566,563,868.33
  5. Step 5: Solve for x
    x = 552,566,563,868.33/855,328.50
  6. Step 6: Final answer
    x = 646,028.47

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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.