Home / 717,348.80-1,076,023.20-663,281.60

Finding the Fourth Proportional to 717,348.80, 1,076,023.20 and 663,281.60

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Solution

The fourth proportional to 717,348.80, 1,076,023.20 and 663,281.60 is: 994,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,348.80 : 1,076,023.20 = 663,281.60 : x
  2. Step 2: Convert to fraction form
    717,348.80/1,076,023.20 = 663,281.60/x
  3. Step 3: Cross multiply
    717,348.80x = 1,076,023.20 × 663,281.60
  4. Step 4: Simplify right side
    717,348.80x = 713,706,389,733.12
  5. Step 5: Solve for x
    x = 713,706,389,733.12/717,348.80
  6. Step 6: Final answer
    x = 994,922.40

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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.