Home / 875,271.42-1,312,907.13-276,279.30

Finding the Fourth Proportional to 875,271.42, 1,312,907.13 and 276,279.30

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Solution

The fourth proportional to 875,271.42, 1,312,907.13 and 276,279.30 is: 414,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,271.42 : 1,312,907.13 = 276,279.30 : x
  2. Step 2: Convert to fraction form
    875,271.42/1,312,907.13 = 276,279.30/x
  3. Step 3: Cross multiply
    875,271.42x = 1,312,907.13 × 276,279.30
  4. Step 4: Simplify right side
    875,271.42x = 362,729,062,841.41
  5. Step 5: Solve for x
    x = 362,729,062,841.41/875,271.42
  6. Step 6: Final answer
    x = 414,418.95

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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.