Home / 470,770.11-649,666.98-255,910.59

Finding the Fourth Proportional to 470,770.11, 649,666.98 and 255,910.59

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Solution

The fourth proportional to 470,770.11, 649,666.98 and 255,910.59 is: 353,158.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,770.11 : 649,666.98 = 255,910.59 : x
  2. Step 2: Convert to fraction form
    470,770.11/649,666.98 = 255,910.59/x
  3. Step 3: Cross multiply
    470,770.11x = 649,666.98 × 255,910.59
  4. Step 4: Simplify right side
    470,770.11x = 166,256,660,155.32
  5. Step 5: Solve for x
    x = 166,256,660,155.32/470,770.11
  6. Step 6: Final answer
    x = 353,158.91

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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.