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Finding the Fourth Proportional to 569,200.80, 854,378.94 and 285,094.92

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Solution

The fourth proportional to 569,200.80, 854,378.94 and 285,094.92 is: 427,931.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,200.80 : 854,378.94 = 285,094.92 : x
  2. Step 2: Convert to fraction form
    569,200.80/854,378.94 = 285,094.92/x
  3. Step 3: Cross multiply
    569,200.80x = 854,378.94 × 285,094.92
  4. Step 4: Simplify right side
    569,200.80x = 243,579,095,548.99
  5. Step 5: Solve for x
    x = 243,579,095,548.99/569,200.80
  6. Step 6: Final answer
    x = 427,931.75

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1.5x scale

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.