Home / 499,934.04-749,667.78-289,632.12

Finding the Fourth Proportional to 499,934.04, 749,667.78 and 289,632.12

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Solution

The fourth proportional to 499,934.04, 749,667.78 and 289,632.12 is: 434,313.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,934.04 : 749,667.78 = 289,632.12 : x
  2. Step 2: Convert to fraction form
    499,934.04/749,667.78 = 289,632.12/x
  3. Step 3: Cross multiply
    499,934.04x = 749,667.78 × 289,632.12
  4. Step 4: Simplify right side
    499,934.04x = 217,127,868,417.09
  5. Step 5: Solve for x
    x = 217,127,868,417.09/499,934.04
  6. Step 6: Final answer
    x = 434,313.03

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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.