Home / 970,685.69-1,456,102.25-330,790.55

Finding the Fourth Proportional to 970,685.69, 1,456,102.25 and 330,790.55

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Solution

The fourth proportional to 970,685.69, 1,456,102.25 and 330,790.55 is: 496,210.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,685.69 : 1,456,102.25 = 330,790.55 : x
  2. Step 2: Convert to fraction form
    970,685.69/1,456,102.25 = 330,790.55/x
  3. Step 3: Cross multiply
    970,685.69x = 1,456,102.25 × 330,790.55
  4. Step 4: Simplify right side
    970,685.69x = 481,664,864,133.74
  5. Step 5: Solve for x
    x = 481,664,864,133.74/970,685.69
  6. Step 6: Final answer
    x = 496,210.95

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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.