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Finding the Fourth Proportional to 670,714.96, 925,313.50 and 380,265.36

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Solution

The fourth proportional to 670,714.96, 925,313.50 and 380,265.36 is: 524,611.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,714.96 : 925,313.50 = 380,265.36 : x
  2. Step 2: Convert to fraction form
    670,714.96/925,313.50 = 380,265.36/x
  3. Step 3: Cross multiply
    670,714.96x = 925,313.50 × 380,265.36
  4. Step 4: Simplify right side
    670,714.96x = 351,864,671,190.36
  5. Step 5: Solve for x
    x = 351,864,671,190.36/670,714.96
  6. Step 6: Final answer
    x = 524,611.34

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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.