Home / 757,469.80-1,045,687.08-471,082.16

Finding the Fourth Proportional to 757,469.80, 1,045,687.08 and 471,082.16

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Solution

The fourth proportional to 757,469.80, 1,045,687.08 and 471,082.16 is: 650,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,469.80 : 1,045,687.08 = 471,082.16 : x
  2. Step 2: Convert to fraction form
    757,469.80/1,045,687.08 = 471,082.16/x
  3. Step 3: Cross multiply
    757,469.80x = 1,045,687.08 × 471,082.16
  4. Step 4: Simplify right side
    757,469.80x = 492,604,528,330.49
  5. Step 5: Solve for x
    x = 492,604,528,330.49/757,469.80
  6. Step 6: Final answer
    x = 650,328.94

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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.