Home / 671,639.40-1,007,459.10-173,003.40

Finding the Fourth Proportional to 671,639.40, 1,007,459.10 and 173,003.40

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Solution

The fourth proportional to 671,639.40, 1,007,459.10 and 173,003.40 is: 259,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,639.40 : 1,007,459.10 = 173,003.40 : x
  2. Step 2: Convert to fraction form
    671,639.40/1,007,459.10 = 173,003.40/x
  3. Step 3: Cross multiply
    671,639.40x = 1,007,459.10 × 173,003.40
  4. Step 4: Simplify right side
    671,639.40x = 174,293,849,660.94
  5. Step 5: Solve for x
    x = 174,293,849,660.94/671,639.40
  6. Step 6: Final answer
    x = 259,505.10

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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.