Home / 807,312.87-1,211,187.92-301,925.19

Finding the Fourth Proportional to 807,312.87, 1,211,187.92 and 301,925.19

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Solution

The fourth proportional to 807,312.87, 1,211,187.92 and 301,925.19 is: 452,969.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,312.87 : 1,211,187.92 = 301,925.19 : x
  2. Step 2: Convert to fraction form
    807,312.87/1,211,187.92 = 301,925.19/x
  3. Step 3: Cross multiply
    807,312.87x = 1,211,187.92 × 301,925.19
  4. Step 4: Simplify right side
    807,312.87x = 365,688,141,362.08
  5. Step 5: Solve for x
    x = 365,688,141,362.08/807,312.87
  6. Step 6: Final answer
    x = 452,969.54

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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.