Home / 470,586.20-649,408.45-255,725.80

Finding the Fourth Proportional to 470,586.20, 649,408.45 and 255,725.80

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Solution

The fourth proportional to 470,586.20, 649,408.45 and 255,725.80 is: 352,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,586.20 : 649,408.45 = 255,725.80 : x
  2. Step 2: Convert to fraction form
    470,586.20/649,408.45 = 255,725.80/x
  3. Step 3: Cross multiply
    470,586.20x = 649,408.45 × 255,725.80
  4. Step 4: Simplify right side
    470,586.20x = 166,070,495,403.01
  5. Step 5: Solve for x
    x = 166,070,495,403.01/470,586.20
  6. Step 6: Final answer
    x = 352,901.33

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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.