Home / 528,082.10-789,819.15-472,325.30

Finding the Fourth Proportional to 528,082.10, 789,819.15 and 472,325.30

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Solution

The fourth proportional to 528,082.10, 789,819.15 and 472,325.30 is: 706,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,082.10 : 789,819.15 = 472,325.30 : x
  2. Step 2: Convert to fraction form
    528,082.10/789,819.15 = 472,325.30/x
  3. Step 3: Cross multiply
    528,082.10x = 789,819.15 × 472,325.30
  4. Step 4: Simplify right side
    528,082.10x = 373,051,566,969.50
  5. Step 5: Solve for x
    x = 373,051,566,969.50/528,082.10
  6. Step 6: Final answer
    x = 706,427.21

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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.