Home / 718,620.46-1,075,688.60-529,294.62

Finding the Fourth Proportional to 718,620.46, 1,075,688.60 and 529,294.62

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Solution

The fourth proportional to 718,620.46, 1,075,688.60 and 529,294.62 is: 792,290.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,620.46 : 1,075,688.60 = 529,294.62 : x
  2. Step 2: Convert to fraction form
    718,620.46/1,075,688.60 = 529,294.62/x
  3. Step 3: Cross multiply
    718,620.46x = 1,075,688.60 × 529,294.62
  4. Step 4: Simplify right side
    718,620.46x = 569,356,188,775.33
  5. Step 5: Solve for x
    x = 569,356,188,775.33/718,620.46
  6. Step 6: Final answer
    x = 792,290.54

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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.