Home / 970,512.90-1,455,812.55-330,807.30

Finding the Fourth Proportional to 970,512.90, 1,455,812.55 and 330,807.30

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Solution

The fourth proportional to 970,512.90, 1,455,812.55 and 330,807.30 is: 496,225.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,512.90 : 1,455,812.55 = 330,807.30 : x
  2. Step 2: Convert to fraction form
    970,512.90/1,455,812.55 = 330,807.30/x
  3. Step 3: Cross multiply
    970,512.90x = 1,455,812.55 × 330,807.30
  4. Step 4: Simplify right side
    970,512.90x = 481,593,418,971.62
  5. Step 5: Solve for x
    x = 481,593,418,971.62/970,512.90
  6. Step 6: Final answer
    x = 496,225.68

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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.