Home / 979,496.86-1,469,812.53-410,827.36

Finding the Fourth Proportional to 979,496.86, 1,469,812.53 and 410,827.36

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Solution

The fourth proportional to 979,496.86, 1,469,812.53 and 410,827.36 is: 616,478.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,496.86 : 1,469,812.53 = 410,827.36 : x
  2. Step 2: Convert to fraction form
    979,496.86/1,469,812.53 = 410,827.36/x
  3. Step 3: Cross multiply
    979,496.86x = 1,469,812.53 × 410,827.36
  4. Step 4: Simplify right side
    979,496.86x = 603,839,201,394.82
  5. Step 5: Solve for x
    x = 603,839,201,394.82/979,496.86
  6. Step 6: Final answer
    x = 616,478.96

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1.5x scale

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.