Home / 740,762.94-1,022,249.31-414,075.88

Finding the Fourth Proportional to 740,762.94, 1,022,249.31 and 414,075.88

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Solution

The fourth proportional to 740,762.94, 1,022,249.31 and 414,075.88 is: 571,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,762.94 : 1,022,249.31 = 414,075.88 : x
  2. Step 2: Convert to fraction form
    740,762.94/1,022,249.31 = 414,075.88/x
  3. Step 3: Cross multiply
    740,762.94x = 1,022,249.31 × 414,075.88
  4. Step 4: Simplify right side
    740,762.94x = 423,288,784,671.85
  5. Step 5: Solve for x
    x = 423,288,784,671.85/740,762.94
  6. Step 6: Final answer
    x = 571,422.74

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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.