Home / 877,743.44-1,316,480.70-278,626.94

Finding the Fourth Proportional to 877,743.44, 1,316,480.70 and 278,626.94

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Solution

The fourth proportional to 877,743.44, 1,316,480.70 and 278,626.94 is: 417,897.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,743.44 : 1,316,480.70 = 278,626.94 : x
  2. Step 2: Convert to fraction form
    877,743.44/1,316,480.70 = 278,626.94/x
  3. Step 3: Cross multiply
    877,743.44x = 1,316,480.70 × 278,626.94
  4. Step 4: Simplify right side
    877,743.44x = 366,806,989,010.06
  5. Step 5: Solve for x
    x = 366,806,989,010.06/877,743.44
  6. Step 6: Final answer
    x = 417,897.73

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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.