Home / 831,936.76-1,148,069.34-469,360.60

Finding the Fourth Proportional to 831,936.76, 1,148,069.34 and 469,360.60

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Solution

The fourth proportional to 831,936.76, 1,148,069.34 and 469,360.60 is: 647,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,936.76 : 1,148,069.34 = 469,360.60 : x
  2. Step 2: Convert to fraction form
    831,936.76/1,148,069.34 = 469,360.60/x
  3. Step 3: Cross multiply
    831,936.76x = 1,148,069.34 × 469,360.60
  4. Step 4: Simplify right side
    831,936.76x = 538,858,514,264.00
  5. Step 5: Solve for x
    x = 538,858,514,264.00/831,936.76
  6. Step 6: Final answer
    x = 647,715.72

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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.