Home / 899,286.48-1,349,890.02-387,205.02

Finding the Fourth Proportional to 899,286.48, 1,349,890.02 and 387,205.02

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Solution

The fourth proportional to 899,286.48, 1,349,890.02 and 387,205.02 is: 581,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,286.48 : 1,349,890.02 = 387,205.02 : x
  2. Step 2: Convert to fraction form
    899,286.48/1,349,890.02 = 387,205.02/x
  3. Step 3: Cross multiply
    899,286.48x = 1,349,890.02 × 387,205.02
  4. Step 4: Simplify right side
    899,286.48x = 522,684,192,191.90
  5. Step 5: Solve for x
    x = 522,684,192,191.90/899,286.48
  6. Step 6: Final answer
    x = 581,221.01

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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.