Home / 831,602.05-1,246,866.77-326,214.10

Finding the Fourth Proportional to 831,602.05, 1,246,866.77 and 326,214.10

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Solution

The fourth proportional to 831,602.05, 1,246,866.77 and 326,214.10 is: 489,110.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,602.05 : 1,246,866.77 = 326,214.10 : x
  2. Step 2: Convert to fraction form
    831,602.05/1,246,866.77 = 326,214.10/x
  3. Step 3: Cross multiply
    831,602.05x = 1,246,866.77 × 326,214.10
  4. Step 4: Simplify right side
    831,602.05x = 406,745,519,564.39
  5. Step 5: Solve for x
    x = 406,745,519,564.39/831,602.05
  6. Step 6: Final answer
    x = 489,110.77

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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.