Home / 705,328.20-1,057,992.30-670,336.20

Finding the Fourth Proportional to 705,328.20, 1,057,992.30 and 670,336.20

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Solution

The fourth proportional to 705,328.20, 1,057,992.30 and 670,336.20 is: 1,005,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,328.20 : 1,057,992.30 = 670,336.20 : x
  2. Step 2: Convert to fraction form
    705,328.20/1,057,992.30 = 670,336.20/x
  3. Step 3: Cross multiply
    705,328.20x = 1,057,992.30 × 670,336.20
  4. Step 4: Simplify right side
    705,328.20x = 709,210,538,011.26
  5. Step 5: Solve for x
    x = 709,210,538,011.26/705,328.20
  6. Step 6: Final answer
    x = 1,005,504.30

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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.