Home / 692,671.20-1,037,257.20-454,725.60

Finding the Fourth Proportional to 692,671.20, 1,037,257.20 and 454,725.60

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Solution

The fourth proportional to 692,671.20, 1,037,257.20 and 454,725.60 is: 680,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,671.20 : 1,037,257.20 = 454,725.60 : x
  2. Step 2: Convert to fraction form
    692,671.20/1,037,257.20 = 454,725.60/x
  3. Step 3: Cross multiply
    692,671.20x = 1,037,257.20 × 454,725.60
  4. Step 4: Simplify right side
    692,671.20x = 471,667,402,624.32
  5. Step 5: Solve for x
    x = 471,667,402,624.32/692,671.20
  6. Step 6: Final answer
    x = 680,939.82

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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.