Home / 964,101.15-1,445,568.53-431,522.91

Finding the Fourth Proportional to 964,101.15, 1,445,568.53 and 431,522.91

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Solution

The fourth proportional to 964,101.15, 1,445,568.53 and 431,522.91 is: 647,023.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,101.15 : 1,445,568.53 = 431,522.91 : x
  2. Step 2: Convert to fraction form
    964,101.15/1,445,568.53 = 431,522.91/x
  3. Step 3: Cross multiply
    964,101.15x = 1,445,568.53 × 431,522.91
  4. Step 4: Simplify right side
    964,101.15x = 623,795,936,512.41
  5. Step 5: Solve for x
    x = 623,795,936,512.41/964,101.15
  6. Step 6: Final answer
    x = 647,023.33

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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.