Home / 670,127.28-1,005,689.24-270,771.53

Finding the Fourth Proportional to 670,127.28, 1,005,689.24 and 270,771.53

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Solution

The fourth proportional to 670,127.28, 1,005,689.24 and 270,771.53 is: 406,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,127.28 : 1,005,689.24 = 270,771.53 : x
  2. Step 2: Convert to fraction form
    670,127.28/1,005,689.24 = 270,771.53/x
  3. Step 3: Cross multiply
    670,127.28x = 1,005,689.24 × 270,771.53
  4. Step 4: Simplify right side
    670,127.28x = 272,312,007,837.03
  5. Step 5: Solve for x
    x = 272,312,007,837.03/670,127.28
  6. Step 6: Final answer
    x = 406,358.64

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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.