Home / 710,190.40-1,065,285.60-236,891.20

Finding the Fourth Proportional to 710,190.40, 1,065,285.60 and 236,891.20

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Solution

The fourth proportional to 710,190.40, 1,065,285.60 and 236,891.20 is: 355,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,190.40 : 1,065,285.60 = 236,891.20 : x
  2. Step 2: Convert to fraction form
    710,190.40/1,065,285.60 = 236,891.20/x
  3. Step 3: Cross multiply
    710,190.40x = 1,065,285.60 × 236,891.20
  4. Step 4: Simplify right side
    710,190.40x = 252,356,784,126.72
  5. Step 5: Solve for x
    x = 252,356,784,126.72/710,190.40
  6. Step 6: Final answer
    x = 355,336.80

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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.