Home / 808,823.82-1,213,264.89-303,333.60

Finding the Fourth Proportional to 808,823.82, 1,213,264.89 and 303,333.60

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Solution

The fourth proportional to 808,823.82, 1,213,264.89 and 303,333.60 is: 455,011.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,823.82 : 1,213,264.89 = 303,333.60 : x
  2. Step 2: Convert to fraction form
    808,823.82/1,213,264.89 = 303,333.60/x
  3. Step 3: Cross multiply
    808,823.82x = 1,213,264.89 × 303,333.60
  4. Step 4: Simplify right side
    808,823.82x = 368,024,006,837.30
  5. Step 5: Solve for x
    x = 368,024,006,837.30/808,823.82
  6. Step 6: Final answer
    x = 455,011.34

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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.