Home / 831,645.38-1,147,604.60-468,953.30

Finding the Fourth Proportional to 831,645.38, 1,147,604.60 and 468,953.30

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Solution

The fourth proportional to 831,645.38, 1,147,604.60 and 468,953.30 is: 647,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,645.38 : 1,147,604.60 = 468,953.30 : x
  2. Step 2: Convert to fraction form
    831,645.38/1,147,604.60 = 468,953.30/x
  3. Step 3: Cross multiply
    831,645.38x = 1,147,604.60 × 468,953.30
  4. Step 4: Simplify right side
    831,645.38x = 538,172,956,182.39
  5. Step 5: Solve for x
    x = 538,172,956,182.39/831,645.38
  6. Step 6: Final answer
    x = 647,118.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.