Home / 902,610.59-1,245,660.68-500,228.51

Finding the Fourth Proportional to 902,610.59, 1,245,660.68 and 500,228.51

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Solution

The fourth proportional to 902,610.59, 1,245,660.68 and 500,228.51 is: 690,347.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,610.59 : 1,245,660.68 = 500,228.51 : x
  2. Step 2: Convert to fraction form
    902,610.59/1,245,660.68 = 500,228.51/x
  3. Step 3: Cross multiply
    902,610.59x = 1,245,660.68 × 500,228.51
  4. Step 4: Simplify right side
    902,610.59x = 623,114,985,921.99
  5. Step 5: Solve for x
    x = 623,114,985,921.99/902,610.59
  6. Step 6: Final answer
    x = 690,347.52

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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.