Home / 740,841.71-1,111,262.29-208,362.59

Finding the Fourth Proportional to 740,841.71, 1,111,262.29 and 208,362.59

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Solution

The fourth proportional to 740,841.71, 1,111,262.29 and 208,362.59 is: 312,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,841.71 : 1,111,262.29 = 208,362.59 : x
  2. Step 2: Convert to fraction form
    740,841.71/1,111,262.29 = 208,362.59/x
  3. Step 3: Cross multiply
    740,841.71x = 1,111,262.29 × 208,362.59
  4. Step 4: Simplify right side
    740,841.71x = 231,545,482,836.51
  5. Step 5: Solve for x
    x = 231,545,482,836.51/740,841.71
  6. Step 6: Final answer
    x = 312,543.80

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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.