Home / 876,139.12-1,314,337.47-276,964.30

Finding the Fourth Proportional to 876,139.12, 1,314,337.47 and 276,964.30

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Solution

The fourth proportional to 876,139.12, 1,314,337.47 and 276,964.30 is: 415,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,139.12 : 1,314,337.47 = 276,964.30 : x
  2. Step 2: Convert to fraction form
    876,139.12/1,314,337.47 = 276,964.30/x
  3. Step 3: Cross multiply
    876,139.12x = 1,314,337.47 × 276,964.30
  4. Step 4: Simplify right side
    876,139.12x = 364,024,557,342.32
  5. Step 5: Solve for x
    x = 364,024,557,342.32/876,139.12
  6. Step 6: Final answer
    x = 415,487.16

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1.5x scale

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.