Home / 831,946.14-1,148,085.90-469,446.84

Finding the Fourth Proportional to 831,946.14, 1,148,085.90 and 469,446.84

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Solution

The fourth proportional to 831,946.14, 1,148,085.90 and 469,446.84 is: 647,836.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,946.14 : 1,148,085.90 = 469,446.84 : x
  2. Step 2: Convert to fraction form
    831,946.14/1,148,085.90 = 469,446.84/x
  3. Step 3: Cross multiply
    831,946.14x = 1,148,085.90 × 469,446.84
  4. Step 4: Simplify right side
    831,946.14x = 538,965,297,803.56
  5. Step 5: Solve for x
    x = 538,965,297,803.56/831,946.14
  6. Step 6: Final answer
    x = 647,836.77

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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.