Home / 764,108.10-1,054,142.10-477,129.96

Finding the Fourth Proportional to 764,108.10, 1,054,142.10 and 477,129.96

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Solution

The fourth proportional to 764,108.10, 1,054,142.10 and 477,129.96 is: 658,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,108.10 : 1,054,142.10 = 477,129.96 : x
  2. Step 2: Convert to fraction form
    764,108.10/1,054,142.10 = 477,129.96/x
  3. Step 3: Cross multiply
    764,108.10x = 1,054,142.10 × 477,129.96
  4. Step 4: Simplify right side
    764,108.10x = 502,962,778,007.32
  5. Step 5: Solve for x
    x = 502,962,778,007.32/764,108.10
  6. Step 6: Final answer
    x = 658,235.11

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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.