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Finding the Fourth Proportional to 569,442.30, 854,163.45 and 360,008.70

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Solution

The fourth proportional to 569,442.30, 854,163.45 and 360,008.70 is: 540,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,442.30 : 854,163.45 = 360,008.70 : x
  2. Step 2: Convert to fraction form
    569,442.30/854,163.45 = 360,008.70/x
  3. Step 3: Cross multiply
    569,442.30x = 854,163.45 × 360,008.70
  4. Step 4: Simplify right side
    569,442.30x = 307,506,273,222.02
  5. Step 5: Solve for x
    x = 307,506,273,222.02/569,442.30
  6. Step 6: Final answer
    x = 540,013.05

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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.