Home / 558,391.55-837,680.81-438,443.73

Finding the Fourth Proportional to 558,391.55, 837,680.81 and 438,443.73

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Solution

The fourth proportional to 558,391.55, 837,680.81 and 438,443.73 is: 657,739.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,391.55 : 837,680.81 = 438,443.73 : x
  2. Step 2: Convert to fraction form
    558,391.55/837,680.81 = 438,443.73/x
  3. Step 3: Cross multiply
    558,391.55x = 837,680.81 × 438,443.73
  4. Step 4: Simplify right side
    558,391.55x = 367,275,896,693.60
  5. Step 5: Solve for x
    x = 367,275,896,693.60/558,391.55
  6. Step 6: Final answer
    x = 657,739.00

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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.