Home / 740,890.22-1,111,206.16-208,284.64

Finding the Fourth Proportional to 740,890.22, 1,111,206.16 and 208,284.64

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Solution

The fourth proportional to 740,890.22, 1,111,206.16 and 208,284.64 is: 312,390.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,890.22 : 1,111,206.16 = 208,284.64 : x
  2. Step 2: Convert to fraction form
    740,890.22/1,111,206.16 = 208,284.64/x
  3. Step 3: Cross multiply
    740,890.22x = 1,111,206.16 × 208,284.64
  4. Step 4: Simplify right side
    740,890.22x = 231,447,175,001.38
  5. Step 5: Solve for x
    x = 231,447,175,001.38/740,890.22
  6. Step 6: Final answer
    x = 312,390.65

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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.