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Finding the Fourth Proportional to 500,436.36, 750,659.40 and 126,459.36

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Solution

The fourth proportional to 500,436.36, 750,659.40 and 126,459.36 is: 189,690.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,436.36 : 750,659.40 = 126,459.36 : x
  2. Step 2: Convert to fraction form
    500,436.36/750,659.40 = 126,459.36/x
  3. Step 3: Cross multiply
    500,436.36x = 750,659.40 × 126,459.36
  4. Step 4: Simplify right side
    500,436.36x = 94,927,907,301.98
  5. Step 5: Solve for x
    x = 94,927,907,301.98/500,436.36
  6. Step 6: Final answer
    x = 189,690.27

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1.5x scale

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.