Home / 460,302.75-690,462.77-127,887.39

Finding the Fourth Proportional to 460,302.75, 690,462.77 and 127,887.39

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Solution

The fourth proportional to 460,302.75, 690,462.77 and 127,887.39 is: 191,833.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,302.75 : 690,462.77 = 127,887.39 : x
  2. Step 2: Convert to fraction form
    460,302.75/690,462.77 = 127,887.39/x
  3. Step 3: Cross multiply
    460,302.75x = 690,462.77 × 127,887.39
  4. Step 4: Simplify right side
    460,302.75x = 88,301,480,908.03
  5. Step 5: Solve for x
    x = 88,301,480,908.03/460,302.75
  6. Step 6: Final answer
    x = 191,833.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.