Home / 750,849.21-1,036,246.23-428,607.77

Finding the Fourth Proportional to 750,849.21, 1,036,246.23 and 428,607.77

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Solution

The fourth proportional to 750,849.21, 1,036,246.23 and 428,607.77 is: 591,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,849.21 : 1,036,246.23 = 428,607.77 : x
  2. Step 2: Convert to fraction form
    750,849.21/1,036,246.23 = 428,607.77/x
  3. Step 3: Cross multiply
    750,849.21x = 1,036,246.23 × 428,607.77
  4. Step 4: Simplify right side
    750,849.21x = 444,143,180,629.98
  5. Step 5: Solve for x
    x = 444,143,180,629.98/750,849.21
  6. Step 6: Final answer
    x = 591,521.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.