Home / 510,849.90-764,962.65-404,999.10

Finding the Fourth Proportional to 510,849.90, 764,962.65 and 404,999.10

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Solution

The fourth proportional to 510,849.90, 764,962.65 and 404,999.10 is: 606,458.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,849.90 : 764,962.65 = 404,999.10 : x
  2. Step 2: Convert to fraction form
    510,849.90/764,962.65 = 404,999.10/x
  3. Step 3: Cross multiply
    510,849.90x = 764,962.65 × 404,999.10
  4. Step 4: Simplify right side
    510,849.90x = 309,809,184,783.62
  5. Step 5: Solve for x
    x = 309,809,184,783.62/510,849.90
  6. Step 6: Final answer
    x = 606,458.34

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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.