Home / 646,165.50-891,693.66-404,581.32

Finding the Fourth Proportional to 646,165.50, 891,693.66 and 404,581.32

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Solution

The fourth proportional to 646,165.50, 891,693.66 and 404,581.32 is: 558,313.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,165.50 : 891,693.66 = 404,581.32 : x
  2. Step 2: Convert to fraction form
    646,165.50/891,693.66 = 404,581.32/x
  3. Step 3: Cross multiply
    646,165.50x = 891,693.66 × 404,581.32
  4. Step 4: Simplify right side
    646,165.50x = 360,762,597,998.43
  5. Step 5: Solve for x
    x = 360,762,597,998.43/646,165.50
  6. Step 6: Final answer
    x = 558,313.00

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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.