Home / 877,233.51-1,315,897.25-278,240.13

Finding the Fourth Proportional to 877,233.51, 1,315,897.25 and 278,240.13

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Solution

The fourth proportional to 877,233.51, 1,315,897.25 and 278,240.13 is: 417,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,233.51 : 1,315,897.25 = 278,240.13 : x
  2. Step 2: Convert to fraction form
    877,233.51/1,315,897.25 = 278,240.13/x
  3. Step 3: Cross multiply
    877,233.51x = 1,315,897.25 × 278,240.13
  4. Step 4: Simplify right side
    877,233.51x = 366,135,420,515.44
  5. Step 5: Solve for x
    x = 366,135,420,515.44/877,233.51
  6. Step 6: Final answer
    x = 417,375.10

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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.