Home / 943,219.40-1,414,829.10-312,051.20

Finding the Fourth Proportional to 943,219.40, 1,414,829.10 and 312,051.20

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Solution

The fourth proportional to 943,219.40, 1,414,829.10 and 312,051.20 is: 468,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,219.40 : 1,414,829.10 = 312,051.20 : x
  2. Step 2: Convert to fraction form
    943,219.40/1,414,829.10 = 312,051.20/x
  3. Step 3: Cross multiply
    943,219.40x = 1,414,829.10 × 312,051.20
  4. Step 4: Simplify right side
    943,219.40x = 441,499,118,449.92
  5. Step 5: Solve for x
    x = 441,499,118,449.92/943,219.40
  6. Step 6: Final answer
    x = 468,076.80

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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.