Home / 756,410.40-1,133,084.70-471,225.60

Finding the Fourth Proportional to 756,410.40, 1,133,084.70 and 471,225.60

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Solution

The fourth proportional to 756,410.40, 1,133,084.70 and 471,225.60 is: 705,884.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,410.40 : 1,133,084.70 = 471,225.60 : x
  2. Step 2: Convert to fraction form
    756,410.40/1,133,084.70 = 471,225.60/x
  3. Step 3: Cross multiply
    756,410.40x = 1,133,084.70 × 471,225.60
  4. Step 4: Simplify right side
    756,410.40x = 533,938,517,608.32
  5. Step 5: Solve for x
    x = 533,938,517,608.32/756,410.40
  6. Step 6: Final answer
    x = 705,884.69

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Double scale
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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.