Home / 951,485.56-1,313,068.08-521,740.06

Finding the Fourth Proportional to 951,485.56, 1,313,068.08 and 521,740.06

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Solution

The fourth proportional to 951,485.56, 1,313,068.08 and 521,740.06 is: 720,011.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,485.56 : 1,313,068.08 = 521,740.06 : x
  2. Step 2: Convert to fraction form
    951,485.56/1,313,068.08 = 521,740.06/x
  3. Step 3: Cross multiply
    951,485.56x = 1,313,068.08 × 521,740.06
  4. Step 4: Simplify right side
    951,485.56x = 685,080,217,517.14
  5. Step 5: Solve for x
    x = 685,080,217,517.14/951,485.56
  6. Step 6: Final answer
    x = 720,011.16

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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.