Home / 671,630.40-1,007,445.60-172,994.40

Finding the Fourth Proportional to 671,630.40, 1,007,445.60 and 172,994.40

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Solution

The fourth proportional to 671,630.40, 1,007,445.60 and 172,994.40 is: 259,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,630.40 : 1,007,445.60 = 172,994.40 : x
  2. Step 2: Convert to fraction form
    671,630.40/1,007,445.60 = 172,994.40/x
  3. Step 3: Cross multiply
    671,630.40x = 1,007,445.60 × 172,994.40
  4. Step 4: Simplify right side
    671,630.40x = 174,282,447,104.64
  5. Step 5: Solve for x
    x = 174,282,447,104.64/671,630.40
  6. Step 6: Final answer
    x = 259,491.60

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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.