Home / 509,933.60-764,244.30-310,041.80

Finding the Fourth Proportional to 509,933.60, 764,244.30 and 310,041.80

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Solution

The fourth proportional to 509,933.60, 764,244.30 and 310,041.80 is: 464,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,933.60 : 764,244.30 = 310,041.80 : x
  2. Step 2: Convert to fraction form
    509,933.60/764,244.30 = 310,041.80/x
  3. Step 3: Cross multiply
    509,933.60x = 764,244.30 × 310,041.80
  4. Step 4: Simplify right side
    509,933.60x = 236,947,678,411.74
  5. Step 5: Solve for x
    x = 236,947,678,411.74/509,933.60
  6. Step 6: Final answer
    x = 464,663.79

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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.