Home / 670,705.28-1,006,056.84-172,069.28

Finding the Fourth Proportional to 670,705.28, 1,006,056.84 and 172,069.28

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Solution

The fourth proportional to 670,705.28, 1,006,056.84 and 172,069.28 is: 258,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,705.28 : 1,006,056.84 = 172,069.28 : x
  2. Step 2: Convert to fraction form
    670,705.28/1,006,056.84 = 172,069.28/x
  3. Step 3: Cross multiply
    670,705.28x = 1,006,056.84 × 172,069.28
  4. Step 4: Simplify right side
    670,705.28x = 173,111,476,097.88
  5. Step 5: Solve for x
    x = 173,111,476,097.88/670,705.28
  6. Step 6: Final answer
    x = 258,103.64

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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.