Home / 509,042.46-702,400.37-294,140.82

Finding the Fourth Proportional to 509,042.46, 702,400.37 and 294,140.82

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Solution

The fourth proportional to 509,042.46, 702,400.37 and 294,140.82 is: 405,869.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,042.46 : 702,400.37 = 294,140.82 : x
  2. Step 2: Convert to fraction form
    509,042.46/702,400.37 = 294,140.82/x
  3. Step 3: Cross multiply
    509,042.46x = 702,400.37 × 294,140.82
  4. Step 4: Simplify right side
    509,042.46x = 206,604,619,329.40
  5. Step 5: Solve for x
    x = 206,604,619,329.40/509,042.46
  6. Step 6: Final answer
    x = 405,869.13

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1.5x scale

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.