Home / 857,064.96-1,182,459.60-494,480.16

Finding the Fourth Proportional to 857,064.96, 1,182,459.60 and 494,480.16

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Solution

The fourth proportional to 857,064.96, 1,182,459.60 and 494,480.16 is: 682,215.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,064.96 : 1,182,459.60 = 494,480.16 : x
  2. Step 2: Convert to fraction form
    857,064.96/1,182,459.60 = 494,480.16/x
  3. Step 3: Cross multiply
    857,064.96x = 1,182,459.60 × 494,480.16
  4. Step 4: Simplify right side
    857,064.96x = 584,702,812,201.54
  5. Step 5: Solve for x
    x = 584,702,812,201.54/857,064.96
  6. Step 6: Final answer
    x = 682,215.28

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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.