Home / 499,935.04-749,669.28-289,633.12

Finding the Fourth Proportional to 499,935.04, 749,669.28 and 289,633.12

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Solution

The fourth proportional to 499,935.04, 749,669.28 and 289,633.12 is: 434,314.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,935.04 : 749,669.28 = 289,633.12 : x
  2. Step 2: Convert to fraction form
    499,935.04/749,669.28 = 289,633.12/x
  3. Step 3: Cross multiply
    499,935.04x = 749,669.28 × 289,633.12
  4. Step 4: Simplify right side
    499,935.04x = 217,129,052,534.55
  5. Step 5: Solve for x
    x = 217,129,052,534.55/499,935.04
  6. Step 6: Final answer
    x = 434,314.53

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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.