Home / 740,392.20-1,110,329.10-385,288.20

Finding the Fourth Proportional to 740,392.20, 1,110,329.10 and 385,288.20

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Solution

The fourth proportional to 740,392.20, 1,110,329.10 and 385,288.20 is: 577,797.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,392.20 : 1,110,329.10 = 385,288.20 : x
  2. Step 2: Convert to fraction form
    740,392.20/1,110,329.10 = 385,288.20/x
  3. Step 3: Cross multiply
    740,392.20x = 1,110,329.10 × 385,288.20
  4. Step 4: Simplify right side
    740,392.20x = 427,796,700,346.62
  5. Step 5: Solve for x
    x = 427,796,700,346.62/740,392.20
  6. Step 6: Final answer
    x = 577,797.42

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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.