Home / 709,815.20-1,064,722.80-569,847.20

Finding the Fourth Proportional to 709,815.20, 1,064,722.80 and 569,847.20

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Solution

The fourth proportional to 709,815.20, 1,064,722.80 and 569,847.20 is: 854,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,815.20 : 1,064,722.80 = 569,847.20 : x
  2. Step 2: Convert to fraction form
    709,815.20/1,064,722.80 = 569,847.20/x
  3. Step 3: Cross multiply
    709,815.20x = 1,064,722.80 × 569,847.20
  4. Step 4: Simplify right side
    709,815.20x = 606,729,306,356.16
  5. Step 5: Solve for x
    x = 606,729,306,356.16/709,815.20
  6. Step 6: Final answer
    x = 854,770.80

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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.