Home / 509,849.76-703,515.60-294,947.36

Finding the Fourth Proportional to 509,849.76, 703,515.60 and 294,947.36

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Solution

The fourth proportional to 509,849.76, 703,515.60 and 294,947.36 is: 406,982.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,849.76 : 703,515.60 = 294,947.36 : x
  2. Step 2: Convert to fraction form
    509,849.76/703,515.60 = 294,947.36/x
  3. Step 3: Cross multiply
    509,849.76x = 703,515.60 × 294,947.36
  4. Step 4: Simplify right side
    509,849.76x = 207,500,068,938.82
  5. Step 5: Solve for x
    x = 207,500,068,938.82/509,849.76
  6. Step 6: Final answer
    x = 406,982.77

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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.