Home / 670,227.22-1,005,668.79-315,277.06

Finding the Fourth Proportional to 670,227.22, 1,005,668.79 and 315,277.06

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Solution

The fourth proportional to 670,227.22, 1,005,668.79 and 315,277.06 is: 473,069.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,227.22 : 1,005,668.79 = 315,277.06 : x
  2. Step 2: Convert to fraction form
    670,227.22/1,005,668.79 = 315,277.06/x
  3. Step 3: Cross multiply
    670,227.22x = 1,005,668.79 × 315,277.06
  4. Step 4: Simplify right side
    670,227.22x = 317,064,299,444.96
  5. Step 5: Solve for x
    x = 317,064,299,444.96/670,227.22
  6. Step 6: Final answer
    x = 473,069.86

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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.