Home / 766,643.68-1,144,575.08-585,782.56

Finding the Fourth Proportional to 766,643.68, 1,144,575.08 and 585,782.56

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Solution

The fourth proportional to 766,643.68, 1,144,575.08 and 585,782.56 is: 874,555.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,643.68 : 1,144,575.08 = 585,782.56 : x
  2. Step 2: Convert to fraction form
    766,643.68/1,144,575.08 = 585,782.56/x
  3. Step 3: Cross multiply
    766,643.68x = 1,144,575.08 × 585,782.56
  4. Step 4: Simplify right side
    766,643.68x = 670,472,120,474.61
  5. Step 5: Solve for x
    x = 670,472,120,474.61/766,643.68
  6. Step 6: Final answer
    x = 874,555.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.