Home / 831,785.10-1,245,344.85-808,457.10

Finding the Fourth Proportional to 831,785.10, 1,245,344.85 and 808,457.10

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Solution

The fourth proportional to 831,785.10, 1,245,344.85 and 808,457.10 is: 1,210,418.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,785.10 : 1,245,344.85 = 808,457.10 : x
  2. Step 2: Convert to fraction form
    831,785.10/1,245,344.85 = 808,457.10/x
  3. Step 3: Cross multiply
    831,785.10x = 1,245,344.85 × 808,457.10
  4. Step 4: Simplify right side
    831,785.10x = 1,006,807,885,930.94
  5. Step 5: Solve for x
    x = 1,006,807,885,930.94/831,785.10
  6. Step 6: Final answer
    x = 1,210,418.28

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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.