Home / 617,280.48-851,682.78-423,747.38

Finding the Fourth Proportional to 617,280.48, 851,682.78 and 423,747.38

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Solution

The fourth proportional to 617,280.48, 851,682.78 and 423,747.38 is: 584,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,280.48 : 851,682.78 = 423,747.38 : x
  2. Step 2: Convert to fraction form
    617,280.48/851,682.78 = 423,747.38/x
  3. Step 3: Cross multiply
    617,280.48x = 851,682.78 × 423,747.38
  4. Step 4: Simplify right side
    617,280.48x = 360,898,342,357.70
  5. Step 5: Solve for x
    x = 360,898,342,357.70/617,280.48
  6. Step 6: Final answer
    x = 584,658.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.