Home / 750,692.94-1,036,030.77-428,451.72

Finding the Fourth Proportional to 750,692.94, 1,036,030.77 and 428,451.72

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Solution

The fourth proportional to 750,692.94, 1,036,030.77 and 428,451.72 is: 591,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,692.94 : 1,036,030.77 = 428,451.72 : x
  2. Step 2: Convert to fraction form
    750,692.94/1,036,030.77 = 428,451.72/x
  3. Step 3: Cross multiply
    750,692.94x = 1,036,030.77 × 428,451.72
  4. Step 4: Simplify right side
    750,692.94x = 443,889,165,379.42
  5. Step 5: Solve for x
    x = 443,889,165,379.42/750,692.94
  6. Step 6: Final answer
    x = 591,305.90

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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.