Home / 949,163.95-1,309,828.74-519,435.46

Finding the Fourth Proportional to 949,163.95, 1,309,828.74 and 519,435.46

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Solution

The fourth proportional to 949,163.95, 1,309,828.74 and 519,435.46 is: 716,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,163.95 : 1,309,828.74 = 519,435.46 : x
  2. Step 2: Convert to fraction form
    949,163.95/1,309,828.74 = 519,435.46/x
  3. Step 3: Cross multiply
    949,163.95x = 1,309,828.74 × 519,435.46
  4. Step 4: Simplify right side
    949,163.95x = 680,371,494,083.12
  5. Step 5: Solve for x
    x = 680,371,494,083.12/949,163.95
  6. Step 6: Final answer
    x = 716,811.35

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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.