Home / 873,835.56-1,205,965.26-486,725.22

Finding the Fourth Proportional to 873,835.56, 1,205,965.26 and 486,725.22

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Solution

The fourth proportional to 873,835.56, 1,205,965.26 and 486,725.22 is: 671,721.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,835.56 : 1,205,965.26 = 486,725.22 : x
  2. Step 2: Convert to fraction form
    873,835.56/1,205,965.26 = 486,725.22/x
  3. Step 3: Cross multiply
    873,835.56x = 1,205,965.26 × 486,725.22
  4. Step 4: Simplify right side
    873,835.56x = 586,973,706,485.86
  5. Step 5: Solve for x
    x = 586,973,706,485.86/873,835.56
  6. Step 6: Final answer
    x = 671,721.01

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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.