Home / 807,631.68-1,114,529.34-445,055.40

Finding the Fourth Proportional to 807,631.68, 1,114,529.34 and 445,055.40

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Solution

The fourth proportional to 807,631.68, 1,114,529.34 and 445,055.40 is: 614,175.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,631.68 : 1,114,529.34 = 445,055.40 : x
  2. Step 2: Convert to fraction form
    807,631.68/1,114,529.34 = 445,055.40/x
  3. Step 3: Cross multiply
    807,631.68x = 1,114,529.34 × 445,055.40
  4. Step 4: Simplify right side
    807,631.68x = 496,027,301,225.44
  5. Step 5: Solve for x
    x = 496,027,301,225.44/807,631.68
  6. Step 6: Final answer
    x = 614,175.14

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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.