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Finding the Fourth Proportional to 569,716.10, 854,574.15 and 357,139.70

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Solution

The fourth proportional to 569,716.10, 854,574.15 and 357,139.70 is: 535,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,716.10 : 854,574.15 = 357,139.70 : x
  2. Step 2: Convert to fraction form
    569,716.10/854,574.15 = 357,139.70/x
  3. Step 3: Cross multiply
    569,716.10x = 854,574.15 × 357,139.70
  4. Step 4: Simplify right side
    569,716.10x = 305,202,355,558.76
  5. Step 5: Solve for x
    x = 305,202,355,558.76/569,716.10
  6. Step 6: Final answer
    x = 535,709.55

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Similar ratio
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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.