Home / 719,776.13-1,080,328.50-365,039.27

Finding the Fourth Proportional to 719,776.13, 1,080,328.50 and 365,039.27

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Solution

The fourth proportional to 719,776.13, 1,080,328.50 and 365,039.27 is: 547,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,776.13 : 1,080,328.50 = 365,039.27 : x
  2. Step 2: Convert to fraction form
    719,776.13/1,080,328.50 = 365,039.27/x
  3. Step 3: Cross multiply
    719,776.13x = 1,080,328.50 × 365,039.27
  4. Step 4: Simplify right side
    719,776.13x = 394,362,321,598.55
  5. Step 5: Solve for x
    x = 394,362,321,598.55/719,776.13
  6. Step 6: Final answer
    x = 547,895.80

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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.