Home / 688,724.08-950,626.92-446,992.60

Finding the Fourth Proportional to 688,724.08, 950,626.92 and 446,992.60

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Solution

The fourth proportional to 688,724.08, 950,626.92 and 446,992.60 is: 616,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,724.08 : 950,626.92 = 446,992.60 : x
  2. Step 2: Convert to fraction form
    688,724.08/950,626.92 = 446,992.60/x
  3. Step 3: Cross multiply
    688,724.08x = 950,626.92 × 446,992.60
  4. Step 4: Simplify right side
    688,724.08x = 424,923,198,600.79
  5. Step 5: Solve for x
    x = 424,923,198,600.79/688,724.08
  6. Step 6: Final answer
    x = 616,971.60

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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.