Home / 670,501.70-1,005,752.55-197,234.90

Finding the Fourth Proportional to 670,501.70, 1,005,752.55 and 197,234.90

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Solution

The fourth proportional to 670,501.70, 1,005,752.55 and 197,234.90 is: 295,852.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,501.70 : 1,005,752.55 = 197,234.90 : x
  2. Step 2: Convert to fraction form
    670,501.70/1,005,752.55 = 197,234.90/x
  3. Step 3: Cross multiply
    670,501.70x = 1,005,752.55 × 197,234.90
  4. Step 4: Simplify right side
    670,501.70x = 198,369,503,624.00
  5. Step 5: Solve for x
    x = 198,369,503,624.00/670,501.70
  6. Step 6: Final answer
    x = 295,852.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.