Home / 945,871.40-1,418,819.58-314,785.32

Finding the Fourth Proportional to 945,871.40, 1,418,819.58 and 314,785.32

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Solution

The fourth proportional to 945,871.40, 1,418,819.58 and 314,785.32 is: 472,182.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,871.40 : 1,418,819.58 = 314,785.32 : x
  2. Step 2: Convert to fraction form
    945,871.40/1,418,819.58 = 314,785.32/x
  3. Step 3: Cross multiply
    945,871.40x = 1,418,819.58 × 314,785.32
  4. Step 4: Simplify right side
    945,871.40x = 446,623,575,512.57
  5. Step 5: Solve for x
    x = 446,623,575,512.57/945,871.40
  6. Step 6: Final answer
    x = 472,182.13

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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.