Home / 786,290.72-1,085,075.68-446,758.96

Finding the Fourth Proportional to 786,290.72, 1,085,075.68 and 446,758.96

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Solution

The fourth proportional to 786,290.72, 1,085,075.68 and 446,758.96 is: 616,524.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,290.72 : 1,085,075.68 = 446,758.96 : x
  2. Step 2: Convert to fraction form
    786,290.72/1,085,075.68 = 446,758.96/x
  3. Step 3: Cross multiply
    786,290.72x = 1,085,075.68 × 446,758.96
  4. Step 4: Simplify right side
    786,290.72x = 484,767,282,318.09
  5. Step 5: Solve for x
    x = 484,767,282,318.09/786,290.72
  6. Step 6: Final answer
    x = 616,524.23

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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.