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Finding the Fourth Proportional to 507,773.05, 699,549.12 and 354,568.57

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Solution

The fourth proportional to 507,773.05, 699,549.12 and 354,568.57 is: 488,482.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,773.05 : 699,549.12 = 354,568.57 : x
  2. Step 2: Convert to fraction form
    507,773.05/699,549.12 = 354,568.57/x
  3. Step 3: Cross multiply
    507,773.05x = 699,549.12 × 354,568.57
  4. Step 4: Simplify right side
    507,773.05x = 248,038,133,758.45
  5. Step 5: Solve for x
    x = 248,038,133,758.45/507,773.05
  6. Step 6: Final answer
    x = 488,482.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.