Home / 695,459.64-1,043,189.40-379,744.32

Finding the Fourth Proportional to 695,459.64, 1,043,189.40 and 379,744.32

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Solution

The fourth proportional to 695,459.64, 1,043,189.40 and 379,744.32 is: 569,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,459.64 : 1,043,189.40 = 379,744.32 : x
  2. Step 2: Convert to fraction form
    695,459.64/1,043,189.40 = 379,744.32/x
  3. Step 3: Cross multiply
    695,459.64x = 1,043,189.40 × 379,744.32
  4. Step 4: Simplify right side
    695,459.64x = 396,145,249,334.21
  5. Step 5: Solve for x
    x = 396,145,249,334.21/695,459.64
  6. Step 6: Final answer
    x = 569,616.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.