Home / 740,280.87-1,110,421.15-403,604.69

Finding the Fourth Proportional to 740,280.87, 1,110,421.15 and 403,604.69

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Solution

The fourth proportional to 740,280.87, 1,110,421.15 and 403,604.69 is: 605,406.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,280.87 : 1,110,421.15 = 403,604.69 : x
  2. Step 2: Convert to fraction form
    740,280.87/1,110,421.15 = 403,604.69/x
  3. Step 3: Cross multiply
    740,280.87x = 1,110,421.15 × 403,604.69
  4. Step 4: Simplify right side
    740,280.87x = 448,171,177,454.08
  5. Step 5: Solve for x
    x = 448,171,177,454.08/740,280.87
  6. Step 6: Final answer
    x = 605,406.94

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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.