Home / 717,761.59-1,076,585.84-312,944.25

Finding the Fourth Proportional to 717,761.59, 1,076,585.84 and 312,944.25

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Solution

The fourth proportional to 717,761.59, 1,076,585.84 and 312,944.25 is: 469,391.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,761.59 : 1,076,585.84 = 312,944.25 : x
  2. Step 2: Convert to fraction form
    717,761.59/1,076,585.84 = 312,944.25/x
  3. Step 3: Cross multiply
    717,761.59x = 1,076,585.84 × 312,944.25
  4. Step 4: Simplify right side
    717,761.59x = 336,911,341,311.77
  5. Step 5: Solve for x
    x = 336,911,341,311.77/717,761.59
  6. Step 6: Final answer
    x = 469,391.71

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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.