Home / 826,932.84-1,240,575.93-287,205.81

Finding the Fourth Proportional to 826,932.84, 1,240,575.93 and 287,205.81

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Solution

The fourth proportional to 826,932.84, 1,240,575.93 and 287,205.81 is: 430,870.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,932.84 : 1,240,575.93 = 287,205.81 : x
  2. Step 2: Convert to fraction form
    826,932.84/1,240,575.93 = 287,205.81/x
  3. Step 3: Cross multiply
    826,932.84x = 1,240,575.93 × 287,205.81
  4. Step 4: Simplify right side
    826,932.84x = 356,300,614,842.15
  5. Step 5: Solve for x
    x = 356,300,614,842.15/826,932.84
  6. Step 6: Final answer
    x = 430,870.08

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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.