Home / 902,609.59-1,245,659.30-500,227.51

Finding the Fourth Proportional to 902,609.59, 1,245,659.30 and 500,227.51

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Solution

The fourth proportional to 902,609.59, 1,245,659.30 and 500,227.51 is: 690,346.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,609.59 : 1,245,659.30 = 500,227.51 : x
  2. Step 2: Convert to fraction form
    902,609.59/1,245,659.30 = 500,227.51/x
  3. Step 3: Cross multiply
    902,609.59x = 1,245,659.30 × 500,227.51
  4. Step 4: Simplify right side
    902,609.59x = 623,113,049,947.34
  5. Step 5: Solve for x
    x = 623,113,049,947.34/902,609.59
  6. Step 6: Final answer
    x = 690,346.14

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1.5x scale

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.