Home / 671,661.40-1,007,492.10-173,025.40

Finding the Fourth Proportional to 671,661.40, 1,007,492.10 and 173,025.40

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Solution

The fourth proportional to 671,661.40, 1,007,492.10 and 173,025.40 is: 259,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,661.40 : 1,007,492.10 = 173,025.40 : x
  2. Step 2: Convert to fraction form
    671,661.40/1,007,492.10 = 173,025.40/x
  3. Step 3: Cross multiply
    671,661.40x = 1,007,492.10 × 173,025.40
  4. Step 4: Simplify right side
    671,661.40x = 174,321,723,599.34
  5. Step 5: Solve for x
    x = 174,321,723,599.34/671,661.40
  6. Step 6: Final answer
    x = 259,538.10

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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.