Home / 807,500.29-1,211,437.84-275,025.94

Finding the Fourth Proportional to 807,500.29, 1,211,437.84 and 275,025.94

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Solution

The fourth proportional to 807,500.29, 1,211,437.84 and 275,025.94 is: 412,602.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,500.29 : 1,211,437.84 = 275,025.94 : x
  2. Step 2: Convert to fraction form
    807,500.29/1,211,437.84 = 275,025.94/x
  3. Step 3: Cross multiply
    807,500.29x = 1,211,437.84 × 275,025.94
  4. Step 4: Simplify right side
    807,500.29x = 333,176,830,697.57
  5. Step 5: Solve for x
    x = 333,176,830,697.57/807,500.29
  6. Step 6: Final answer
    x = 412,602.74

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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.