Home / 949,642.79-1,310,506.44-519,922.80

Finding the Fourth Proportional to 949,642.79, 1,310,506.44 and 519,922.80

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Solution

The fourth proportional to 949,642.79, 1,310,506.44 and 519,922.80 is: 717,493.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,642.79 : 1,310,506.44 = 519,922.80 : x
  2. Step 2: Convert to fraction form
    949,642.79/1,310,506.44 = 519,922.80/x
  3. Step 3: Cross multiply
    949,642.79x = 1,310,506.44 × 519,922.80
  4. Step 4: Simplify right side
    949,642.79x = 681,362,178,677.69
  5. Step 5: Solve for x
    x = 681,362,178,677.69/949,642.79
  6. Step 6: Final answer
    x = 717,493.13

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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.