Home / 705,692.30-1,057,309.65-456,245.90

Finding the Fourth Proportional to 705,692.30, 1,057,309.65 and 456,245.90

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Solution

The fourth proportional to 705,692.30, 1,057,309.65 and 456,245.90 is: 683,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,692.30 : 1,057,309.65 = 456,245.90 : x
  2. Step 2: Convert to fraction form
    705,692.30/1,057,309.65 = 456,245.90/x
  3. Step 3: Cross multiply
    705,692.30x = 1,057,309.65 × 456,245.90
  4. Step 4: Simplify right side
    705,692.30x = 482,393,192,842.94
  5. Step 5: Solve for x
    x = 482,393,192,842.94/705,692.30
  6. Step 6: Final answer
    x = 683,574.40

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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.