Home / 872,970.50-1,309,511.10-273,955.28

Finding the Fourth Proportional to 872,970.50, 1,309,511.10 and 273,955.28

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Solution

The fourth proportional to 872,970.50, 1,309,511.10 and 273,955.28 is: 410,950.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,970.50 : 1,309,511.10 = 273,955.28 : x
  2. Step 2: Convert to fraction form
    872,970.50/1,309,511.10 = 273,955.28/x
  3. Step 3: Cross multiply
    872,970.50x = 1,309,511.10 × 273,955.28
  4. Step 4: Simplify right side
    872,970.50x = 358,747,480,063.61
  5. Step 5: Solve for x
    x = 358,747,480,063.61/872,970.50
  6. Step 6: Final answer
    x = 410,950.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.