Home / 948,847.93-1,309,429.04-519,137.28

Finding the Fourth Proportional to 948,847.93, 1,309,429.04 and 519,137.28

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Solution

The fourth proportional to 948,847.93, 1,309,429.04 and 519,137.28 is: 716,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,847.93 : 1,309,429.04 = 519,137.28 : x
  2. Step 2: Convert to fraction form
    948,847.93/1,309,429.04 = 519,137.28/x
  3. Step 3: Cross multiply
    948,847.93x = 1,309,429.04 × 519,137.28
  4. Step 4: Simplify right side
    948,847.93x = 679,773,427,582.93
  5. Step 5: Solve for x
    x = 679,773,427,582.93/948,847.93
  6. Step 6: Final answer
    x = 716,419.78

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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.