Home / 757,473.80-1,045,692.60-471,086.16

Finding the Fourth Proportional to 757,473.80, 1,045,692.60 and 471,086.16

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Solution

The fourth proportional to 757,473.80, 1,045,692.60 and 471,086.16 is: 650,334.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,473.80 : 1,045,692.60 = 471,086.16 : x
  2. Step 2: Convert to fraction form
    757,473.80/1,045,692.60 = 471,086.16/x
  3. Step 3: Cross multiply
    757,473.80x = 1,045,692.60 × 471,086.16
  4. Step 4: Simplify right side
    757,473.80x = 492,611,311,474.42
  5. Step 5: Solve for x
    x = 492,611,311,474.42/757,473.80
  6. Step 6: Final answer
    x = 650,334.46

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Double scale
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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.