Home / 832,175.78-1,148,399.76-450,202.64

Finding the Fourth Proportional to 832,175.78, 1,148,399.76 and 450,202.64

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Solution

The fourth proportional to 832,175.78, 1,148,399.76 and 450,202.64 is: 621,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,175.78 : 1,148,399.76 = 450,202.64 : x
  2. Step 2: Convert to fraction form
    832,175.78/1,148,399.76 = 450,202.64/x
  3. Step 3: Cross multiply
    832,175.78x = 1,148,399.76 × 450,202.64
  4. Step 4: Simplify right side
    832,175.78x = 517,012,603,727.37
  5. Step 5: Solve for x
    x = 517,012,603,727.37/832,175.78
  6. Step 6: Final answer
    x = 621,278.12

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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.