Home / 959,378.42-1,324,006.08-636,533.48

Finding the Fourth Proportional to 959,378.42, 1,324,006.08 and 636,533.48

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Solution

The fourth proportional to 959,378.42, 1,324,006.08 and 636,533.48 is: 878,458.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,378.42 : 1,324,006.08 = 636,533.48 : x
  2. Step 2: Convert to fraction form
    959,378.42/1,324,006.08 = 636,533.48/x
  3. Step 3: Cross multiply
    959,378.42x = 1,324,006.08 × 636,533.48
  4. Step 4: Simplify right side
    959,378.42x = 842,774,197,643.56
  5. Step 5: Solve for x
    x = 842,774,197,643.56/959,378.42
  6. Step 6: Final answer
    x = 878,458.57

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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.