Home / 831,929.76-1,148,059.68-469,353.60

Finding the Fourth Proportional to 831,929.76, 1,148,059.68 and 469,353.60

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Solution

The fourth proportional to 831,929.76, 1,148,059.68 and 469,353.60 is: 647,706.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,929.76 : 1,148,059.68 = 469,353.60 : x
  2. Step 2: Convert to fraction form
    831,929.76/1,148,059.68 = 469,353.60/x
  3. Step 3: Cross multiply
    831,929.76x = 1,148,059.68 × 469,353.60
  4. Step 4: Simplify right side
    831,929.76x = 538,845,943,822.85
  5. Step 5: Solve for x
    x = 538,845,943,822.85/831,929.76
  6. Step 6: Final answer
    x = 647,706.06

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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.