Home / 676,827.55-1,015,243.62-171,388.30

Finding the Fourth Proportional to 676,827.55, 1,015,243.62 and 171,388.30

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Solution

The fourth proportional to 676,827.55, 1,015,243.62 and 171,388.30 is: 257,083.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,827.55 : 1,015,243.62 = 171,388.30 : x
  2. Step 2: Convert to fraction form
    676,827.55/1,015,243.62 = 171,388.30/x
  3. Step 3: Cross multiply
    676,827.55x = 1,015,243.62 × 171,388.30
  4. Step 4: Simplify right side
    676,827.55x = 174,000,878,117.65
  5. Step 5: Solve for x
    x = 174,000,878,117.65/676,827.55
  6. Step 6: Final answer
    x = 257,083.03

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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.