Home / 717,715.20-1,076,313.60-362,611.20

Finding the Fourth Proportional to 717,715.20, 1,076,313.60 and 362,611.20

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Solution

The fourth proportional to 717,715.20, 1,076,313.60 and 362,611.20 is: 543,785.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,715.20 : 1,076,313.60 = 362,611.20 : x
  2. Step 2: Convert to fraction form
    717,715.20/1,076,313.60 = 362,611.20/x
  3. Step 3: Cross multiply
    717,715.20x = 1,076,313.60 × 362,611.20
  4. Step 4: Simplify right side
    717,715.20x = 390,283,366,072.32
  5. Step 5: Solve for x
    x = 390,283,366,072.32/717,715.20
  6. Step 6: Final answer
    x = 543,785.84

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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.