Home / 670,275.74-1,004,847.22-290,909.61

Finding the Fourth Proportional to 670,275.74, 1,004,847.22 and 290,909.61

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Solution

The fourth proportional to 670,275.74, 1,004,847.22 and 290,909.61 is: 436,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,275.74 : 1,004,847.22 = 290,909.61 : x
  2. Step 2: Convert to fraction form
    670,275.74/1,004,847.22 = 290,909.61/x
  3. Step 3: Cross multiply
    670,275.74x = 1,004,847.22 × 290,909.61
  4. Step 4: Simplify right side
    670,275.74x = 292,319,713,243.42
  5. Step 5: Solve for x
    x = 292,319,713,243.42/670,275.74
  6. Step 6: Final answer
    x = 436,118.59

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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.