Home / 872,654.56-1,204,239.36-490,671.52

Finding the Fourth Proportional to 872,654.56, 1,204,239.36 and 490,671.52

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Solution

The fourth proportional to 872,654.56, 1,204,239.36 and 490,671.52 is: 677,113.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,654.56 : 1,204,239.36 = 490,671.52 : x
  2. Step 2: Convert to fraction form
    872,654.56/1,204,239.36 = 490,671.52/x
  3. Step 3: Cross multiply
    872,654.56x = 1,204,239.36 × 490,671.52
  4. Step 4: Simplify right side
    872,654.56x = 590,885,957,215.03
  5. Step 5: Solve for x
    x = 590,885,957,215.03/872,654.56
  6. Step 6: Final answer
    x = 677,113.24

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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.