Home / 807,482.77-1,211,411.65-275,008.42

Finding the Fourth Proportional to 807,482.77, 1,211,411.65 and 275,008.42

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Solution

The fourth proportional to 807,482.77, 1,211,411.65 and 275,008.42 is: 412,576.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,482.77 : 1,211,411.65 = 275,008.42 : x
  2. Step 2: Convert to fraction form
    807,482.77/1,211,411.65 = 275,008.42/x
  3. Step 3: Cross multiply
    807,482.77x = 1,211,411.65 × 275,008.42
  4. Step 4: Simplify right side
    807,482.77x = 333,148,398,364.29
  5. Step 5: Solve for x
    x = 333,148,398,364.29/807,482.77
  6. Step 6: Final answer
    x = 412,576.48

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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.