Home / 831,276.60-1,246,914.90-654,329.40

Finding the Fourth Proportional to 831,276.60, 1,246,914.90 and 654,329.40

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Solution

The fourth proportional to 831,276.60, 1,246,914.90 and 654,329.40 is: 981,494.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,276.60 : 1,246,914.90 = 654,329.40 : x
  2. Step 2: Convert to fraction form
    831,276.60/1,246,914.90 = 654,329.40/x
  3. Step 3: Cross multiply
    831,276.60x = 1,246,914.90 × 654,329.40
  4. Step 4: Simplify right side
    831,276.60x = 815,893,078,368.06
  5. Step 5: Solve for x
    x = 815,893,078,368.06/831,276.60
  6. Step 6: Final answer
    x = 981,494.10

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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.