Home / 906,749.27-1,251,313.97-498,842.35

Finding the Fourth Proportional to 906,749.27, 1,251,313.97 and 498,842.35

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Solution

The fourth proportional to 906,749.27, 1,251,313.97 and 498,842.35 is: 688,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,749.27 : 1,251,313.97 = 498,842.35 : x
  2. Step 2: Convert to fraction form
    906,749.27/1,251,313.97 = 498,842.35/x
  3. Step 3: Cross multiply
    906,749.27x = 1,251,313.97 × 498,842.35
  4. Step 4: Simplify right side
    906,749.27x = 624,208,399,501.45
  5. Step 5: Solve for x
    x = 624,208,399,501.45/906,749.27
  6. Step 6: Final answer
    x = 688,402.43

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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.