Home / 945,657.52-1,419,242.16-490,378.12

Finding the Fourth Proportional to 945,657.52, 1,419,242.16 and 490,378.12

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Solution

The fourth proportional to 945,657.52, 1,419,242.16 and 490,378.12 is: 735,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,657.52 : 1,419,242.16 = 490,378.12 : x
  2. Step 2: Convert to fraction form
    945,657.52/1,419,242.16 = 490,378.12/x
  3. Step 3: Cross multiply
    945,657.52x = 1,419,242.16 × 490,378.12
  4. Step 4: Simplify right side
    945,657.52x = 695,965,302,245.54
  5. Step 5: Solve for x
    x = 695,965,302,245.54/945,657.52
  6. Step 6: Final answer
    x = 735,959.15

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Double scale
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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.