Home / 670,863.50-1,006,090.44-191,130.48

Finding the Fourth Proportional to 670,863.50, 1,006,090.44 and 191,130.48

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Solution

The fourth proportional to 670,863.50, 1,006,090.44 and 191,130.48 is: 286,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,863.50 : 1,006,090.44 = 191,130.48 : x
  2. Step 2: Convert to fraction form
    670,863.50/1,006,090.44 = 191,130.48/x
  3. Step 3: Cross multiply
    670,863.50x = 1,006,090.44 × 191,130.48
  4. Step 4: Simplify right side
    670,863.50x = 192,294,548,720.61
  5. Step 5: Solve for x
    x = 192,294,548,720.61/670,863.50
  6. Step 6: Final answer
    x = 286,637.37

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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.