Home / 706,457.12-1,057,369.08-386,118.32

Finding the Fourth Proportional to 706,457.12, 1,057,369.08 and 386,118.32

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Solution

The fourth proportional to 706,457.12, 1,057,369.08 and 386,118.32 is: 577,911.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,457.12 : 1,057,369.08 = 386,118.32 : x
  2. Step 2: Convert to fraction form
    706,457.12/1,057,369.08 = 386,118.32/x
  3. Step 3: Cross multiply
    706,457.12x = 1,057,369.08 × 386,118.32
  4. Step 4: Simplify right side
    706,457.12x = 408,269,572,789.55
  5. Step 5: Solve for x
    x = 408,269,572,789.55/706,457.12
  6. Step 6: Final answer
    x = 577,911.33

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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.