Home / 970,515.90-1,455,817.05-330,810.30

Finding the Fourth Proportional to 970,515.90, 1,455,817.05 and 330,810.30

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Solution

The fourth proportional to 970,515.90, 1,455,817.05 and 330,810.30 is: 496,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,515.90 : 1,455,817.05 = 330,810.30 : x
  2. Step 2: Convert to fraction form
    970,515.90/1,455,817.05 = 330,810.30/x
  3. Step 3: Cross multiply
    970,515.90x = 1,455,817.05 × 330,810.30
  4. Step 4: Simplify right side
    970,515.90x = 481,599,275,055.62
  5. Step 5: Solve for x
    x = 481,599,275,055.62/970,515.90
  6. Step 6: Final answer
    x = 496,230.18

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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.