Home / 876,397.35-1,314,741.31-307,630.87

Finding the Fourth Proportional to 876,397.35, 1,314,741.31 and 307,630.87

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Solution

The fourth proportional to 876,397.35, 1,314,741.31 and 307,630.87 is: 461,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,397.35 : 1,314,741.31 = 307,630.87 : x
  2. Step 2: Convert to fraction form
    876,397.35/1,314,741.31 = 307,630.87/x
  3. Step 3: Cross multiply
    876,397.35x = 1,314,741.31 × 307,630.87
  4. Step 4: Simplify right side
    876,397.35x = 404,455,008,964.31
  5. Step 5: Solve for x
    x = 404,455,008,964.31/876,397.35
  6. Step 6: Final answer
    x = 461,497.30

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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.