Home / 949,374.98-1,310,170.80-519,655.46

Finding the Fourth Proportional to 949,374.98, 1,310,170.80 and 519,655.46

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Solution

The fourth proportional to 949,374.98, 1,310,170.80 and 519,655.46 is: 717,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,374.98 : 1,310,170.80 = 519,655.46 : x
  2. Step 2: Convert to fraction form
    949,374.98/1,310,170.80 = 519,655.46/x
  3. Step 3: Cross multiply
    949,374.98x = 1,310,170.80 × 519,655.46
  4. Step 4: Simplify right side
    949,374.98x = 680,837,409,752.57
  5. Step 5: Solve for x
    x = 680,837,409,752.57/949,374.98
  6. Step 6: Final answer
    x = 717,142.78

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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.