Home / 740,741.67-1,111,178.13-208,267.32

Finding the Fourth Proportional to 740,741.67, 1,111,178.13 and 208,267.32

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Solution

The fourth proportional to 740,741.67, 1,111,178.13 and 208,267.32 is: 312,419.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,741.67 : 1,111,178.13 = 208,267.32 : x
  2. Step 2: Convert to fraction form
    740,741.67/1,111,178.13 = 208,267.32/x
  3. Step 3: Cross multiply
    740,741.67x = 1,111,178.13 × 208,267.32
  4. Step 4: Simplify right side
    740,741.67x = 231,422,091,177.71
  5. Step 5: Solve for x
    x = 231,422,091,177.71/740,741.67
  6. Step 6: Final answer
    x = 312,419.43

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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.