Home / 816,082.80-1,224,239.40-255,058.80

Finding the Fourth Proportional to 816,082.80, 1,224,239.40 and 255,058.80

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Solution

The fourth proportional to 816,082.80, 1,224,239.40 and 255,058.80 is: 382,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,082.80 : 1,224,239.40 = 255,058.80 : x
  2. Step 2: Convert to fraction form
    816,082.80/1,224,239.40 = 255,058.80/x
  3. Step 3: Cross multiply
    816,082.80x = 1,224,239.40 × 255,058.80
  4. Step 4: Simplify right side
    816,082.80x = 312,253,032,276.72
  5. Step 5: Solve for x
    x = 312,253,032,276.72/816,082.80
  6. Step 6: Final answer
    x = 382,624.20

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1.5x scale

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.