Home / 1,075,627.84-1,613,454.72-327,680.32

Finding the Fourth Proportional to 1,075,627.84, 1,613,454.72 and 327,680.32

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Solution

The fourth proportional to 1,075,627.84, 1,613,454.72 and 327,680.32 is: 491,524.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,627.84 : 1,613,454.72 = 327,680.32 : x
  2. Step 2: Convert to fraction form
    1,075,627.84/1,613,454.72 = 327,680.32/x
  3. Step 3: Cross multiply
    1,075,627.84x = 1,613,454.72 × 327,680.32
  4. Step 4: Simplify right side
    1,075,627.84x = 528,697,358,955.11
  5. Step 5: Solve for x
    x = 528,697,358,955.11/1,075,627.84
  6. Step 6: Final answer
    x = 491,524.43

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Double scale
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Similar ratio
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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.