Home / 740,476.98-1,110,758.55-208,039.53

Finding the Fourth Proportional to 740,476.98, 1,110,758.55 and 208,039.53

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Solution

The fourth proportional to 740,476.98, 1,110,758.55 and 208,039.53 is: 312,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,476.98 : 1,110,758.55 = 208,039.53 : x
  2. Step 2: Convert to fraction form
    740,476.98/1,110,758.55 = 208,039.53/x
  3. Step 3: Cross multiply
    740,476.98x = 1,110,758.55 × 208,039.53
  4. Step 4: Simplify right side
    740,476.98x = 231,081,686,685.48
  5. Step 5: Solve for x
    x = 231,081,686,685.48/740,476.98
  6. Step 6: Final answer
    x = 312,071.40

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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.