Home / 756,415.40-1,133,092.20-471,230.60

Finding the Fourth Proportional to 756,415.40, 1,133,092.20 and 471,230.60

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Solution

The fourth proportional to 756,415.40, 1,133,092.20 and 471,230.60 is: 705,892.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,415.40 : 1,133,092.20 = 471,230.60 : x
  2. Step 2: Convert to fraction form
    756,415.40/1,133,092.20 = 471,230.60/x
  3. Step 3: Cross multiply
    756,415.40x = 1,133,092.20 × 471,230.60
  4. Step 4: Simplify right side
    756,415.40x = 533,947,717,261.32
  5. Step 5: Solve for x
    x = 533,947,717,261.32/756,415.40
  6. Step 6: Final answer
    x = 705,892.18

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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.