Home / 670,401.14-1,005,285.50-243,636.84

Finding the Fourth Proportional to 670,401.14, 1,005,285.50 and 243,636.84

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Solution

The fourth proportional to 670,401.14, 1,005,285.50 and 243,636.84 is: 365,340.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,401.14 : 1,005,285.50 = 243,636.84 : x
  2. Step 2: Convert to fraction form
    670,401.14/1,005,285.50 = 243,636.84/x
  3. Step 3: Cross multiply
    670,401.14x = 1,005,285.50 × 243,636.84
  4. Step 4: Simplify right side
    670,401.14x = 244,924,581,299.64
  5. Step 5: Solve for x
    x = 244,924,581,299.64/670,401.14
  6. Step 6: Final answer
    x = 365,340.34

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Double scale
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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.