Home / 1,151,697.75-1,727,650.30-310,230.87

Finding the Fourth Proportional to 1,151,697.75, 1,727,650.30 and 310,230.87

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Solution

The fourth proportional to 1,151,697.75, 1,727,650.30 and 310,230.87 is: 465,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,697.75 : 1,727,650.30 = 310,230.87 : x
  2. Step 2: Convert to fraction form
    1,151,697.75/1,727,650.30 = 310,230.87/x
  3. Step 3: Cross multiply
    1,151,697.75x = 1,727,650.30 × 310,230.87
  4. Step 4: Simplify right side
    1,151,697.75x = 535,970,446,986.51
  5. Step 5: Solve for x
    x = 535,970,446,986.51/1,151,697.75
  6. Step 6: Final answer
    x = 465,374.23

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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.