Home / 706,310.70-1,060,131.86-257,465.40

Finding the Fourth Proportional to 706,310.70, 1,060,131.86 and 257,465.40

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Solution

The fourth proportional to 706,310.70, 1,060,131.86 and 257,465.40 is: 386,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,310.70 : 1,060,131.86 = 257,465.40 : x
  2. Step 2: Convert to fraction form
    706,310.70/1,060,131.86 = 257,465.40/x
  3. Step 3: Cross multiply
    706,310.70x = 1,060,131.86 × 257,465.40
  4. Step 4: Simplify right side
    706,310.70x = 272,947,273,387.64
  5. Step 5: Solve for x
    x = 272,947,273,387.64/706,310.70
  6. Step 6: Final answer
    x = 386,440.80

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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.