Home / 831,205.60-1,246,808.40-475,927.45

Finding the Fourth Proportional to 831,205.60, 1,246,808.40 and 475,927.45

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Solution

The fourth proportional to 831,205.60, 1,246,808.40 and 475,927.45 is: 713,891.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,205.60 : 1,246,808.40 = 475,927.45 : x
  2. Step 2: Convert to fraction form
    831,205.60/1,246,808.40 = 475,927.45/x
  3. Step 3: Cross multiply
    831,205.60x = 1,246,808.40 × 475,927.45
  4. Step 4: Simplify right side
    831,205.60x = 593,390,342,450.58
  5. Step 5: Solve for x
    x = 593,390,342,450.58/831,205.60
  6. Step 6: Final answer
    x = 713,891.18

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Double scale
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Similar ratio
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1.5x scale

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.