Home / 717,418.01-1,076,182.61-290,750.72

Finding the Fourth Proportional to 717,418.01, 1,076,182.61 and 290,750.72

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Solution

The fourth proportional to 717,418.01, 1,076,182.61 and 290,750.72 is: 436,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,418.01 : 1,076,182.61 = 290,750.72 : x
  2. Step 2: Convert to fraction form
    717,418.01/1,076,182.61 = 290,750.72/x
  3. Step 3: Cross multiply
    717,418.01x = 1,076,182.61 × 290,750.72
  4. Step 4: Simplify right side
    717,418.01x = 312,900,861,874.31
  5. Step 5: Solve for x
    x = 312,900,861,874.31/717,418.01
  6. Step 6: Final answer
    x = 436,148.60

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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.