Home / 809,264.87-1,116,779.37-446,688.67

Finding the Fourth Proportional to 809,264.87, 1,116,779.37 and 446,688.67

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Solution

The fourth proportional to 809,264.87, 1,116,779.37 and 446,688.67 is: 616,426.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,264.87 : 1,116,779.37 = 446,688.67 : x
  2. Step 2: Convert to fraction form
    809,264.87/1,116,779.37 = 446,688.67/x
  3. Step 3: Cross multiply
    809,264.87x = 1,116,779.37 × 446,688.67
  4. Step 4: Simplify right side
    809,264.87x = 498,852,688,676.79
  5. Step 5: Solve for x
    x = 498,852,688,676.79/809,264.87
  6. Step 6: Final answer
    x = 616,426.97

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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.