Home / 756,110.40-1,134,165.60-401,816.40

Finding the Fourth Proportional to 756,110.40, 1,134,165.60 and 401,816.40

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Solution

The fourth proportional to 756,110.40, 1,134,165.60 and 401,816.40 is: 602,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,110.40 : 1,134,165.60 = 401,816.40 : x
  2. Step 2: Convert to fraction form
    756,110.40/1,134,165.60 = 401,816.40/x
  3. Step 3: Cross multiply
    756,110.40x = 1,134,165.60 × 401,816.40
  4. Step 4: Simplify right side
    756,110.40x = 455,726,338,395.84
  5. Step 5: Solve for x
    x = 455,726,338,395.84/756,110.40
  6. Step 6: Final answer
    x = 602,724.60

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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.