Home / 740,815.10-1,111,222.65-729,005.30

Finding the Fourth Proportional to 740,815.10, 1,111,222.65 and 729,005.30

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Solution

The fourth proportional to 740,815.10, 1,111,222.65 and 729,005.30 is: 1,093,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,815.10 : 1,111,222.65 = 729,005.30 : x
  2. Step 2: Convert to fraction form
    740,815.10/1,111,222.65 = 729,005.30/x
  3. Step 3: Cross multiply
    740,815.10x = 1,111,222.65 × 729,005.30
  4. Step 4: Simplify right side
    740,815.10x = 810,087,201,330.05
  5. Step 5: Solve for x
    x = 810,087,201,330.05/740,815.10
  6. Step 6: Final answer
    x = 1,093,507.95

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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.