Home / 949,478.94-1,310,280.84-519,759.36

Finding the Fourth Proportional to 949,478.94, 1,310,280.84 and 519,759.36

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Solution

The fourth proportional to 949,478.94, 1,310,280.84 and 519,759.36 is: 717,267.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,478.94 : 1,310,280.84 = 519,759.36 : x
  2. Step 2: Convert to fraction form
    949,478.94/1,310,280.84 = 519,759.36/x
  3. Step 3: Cross multiply
    949,478.94x = 1,310,280.84 × 519,759.36
  4. Step 4: Simplify right side
    949,478.94x = 681,030,730,818.66
  5. Step 5: Solve for x
    x = 681,030,730,818.66/949,478.94
  6. Step 6: Final answer
    x = 717,267.86

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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.