Home / 389,766.55-581,046.95-383,624.35

Finding the Fourth Proportional to 389,766.55, 581,046.95 and 383,624.35

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Solution

The fourth proportional to 389,766.55, 581,046.95 and 383,624.35 is: 571,890.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,766.55 : 581,046.95 = 383,624.35 : x
  2. Step 2: Convert to fraction form
    389,766.55/581,046.95 = 383,624.35/x
  3. Step 3: Cross multiply
    389,766.55x = 581,046.95 × 383,624.35
  4. Step 4: Simplify right side
    389,766.55x = 222,903,758,513.23
  5. Step 5: Solve for x
    x = 222,903,758,513.23/389,766.55
  6. Step 6: Final answer
    x = 571,890.43

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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.