Home / 807,697.32-1,114,629.92-445,134.24

Finding the Fourth Proportional to 807,697.32, 1,114,629.92 and 445,134.24

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Solution

The fourth proportional to 807,697.32, 1,114,629.92 and 445,134.24 is: 614,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,697.32 : 1,114,629.92 = 445,134.24 : x
  2. Step 2: Convert to fraction form
    807,697.32/1,114,629.92 = 445,134.24/x
  3. Step 3: Cross multiply
    807,697.32x = 1,114,629.92 × 445,134.24
  4. Step 4: Simplify right side
    807,697.32x = 496,159,942,320.46
  5. Step 5: Solve for x
    x = 496,159,942,320.46/807,697.32
  6. Step 6: Final answer
    x = 614,289.45

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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.