Home / 385,782.48-579,563.10-369,839.52

Finding the Fourth Proportional to 385,782.48, 579,563.10 and 369,839.52

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Solution

The fourth proportional to 385,782.48, 579,563.10 and 369,839.52 is: 555,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,782.48 : 579,563.10 = 369,839.52 : x
  2. Step 2: Convert to fraction form
    385,782.48/579,563.10 = 369,839.52/x
  3. Step 3: Cross multiply
    385,782.48x = 579,563.10 × 369,839.52
  4. Step 4: Simplify right side
    385,782.48x = 214,345,338,713.71
  5. Step 5: Solve for x
    x = 214,345,338,713.71/385,782.48
  6. Step 6: Final answer
    x = 555,611.91

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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.