Home / 717,679.20-1,076,259.60-362,575.20

Finding the Fourth Proportional to 717,679.20, 1,076,259.60 and 362,575.20

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Solution

The fourth proportional to 717,679.20, 1,076,259.60 and 362,575.20 is: 543,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,679.20 : 1,076,259.60 = 362,575.20 : x
  2. Step 2: Convert to fraction form
    717,679.20/1,076,259.60 = 362,575.20/x
  3. Step 3: Cross multiply
    717,679.20x = 1,076,259.60 × 362,575.20
  4. Step 4: Simplify right side
    717,679.20x = 390,225,039,721.92
  5. Step 5: Solve for x
    x = 390,225,039,721.92/717,679.20
  6. Step 6: Final answer
    x = 543,731.85

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1.5x scale

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.