Home / 712,838.12-1,069,672.71-263,871.32

Finding the Fourth Proportional to 712,838.12, 1,069,672.71 and 263,871.32

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Solution

The fourth proportional to 712,838.12, 1,069,672.71 and 263,871.32 is: 395,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,838.12 : 1,069,672.71 = 263,871.32 : x
  2. Step 2: Convert to fraction form
    712,838.12/1,069,672.71 = 263,871.32/x
  3. Step 3: Cross multiply
    712,838.12x = 1,069,672.71 × 263,871.32
  4. Step 4: Simplify right side
    712,838.12x = 282,255,949,955.68
  5. Step 5: Solve for x
    x = 282,255,949,955.68/712,838.12
  6. Step 6: Final answer
    x = 395,960.80

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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.