Home / 788,037.80-1,182,056.70-255,551.90

Finding the Fourth Proportional to 788,037.80, 1,182,056.70 and 255,551.90

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Solution

The fourth proportional to 788,037.80, 1,182,056.70 and 255,551.90 is: 383,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,037.80 : 1,182,056.70 = 255,551.90 : x
  2. Step 2: Convert to fraction form
    788,037.80/1,182,056.70 = 255,551.90/x
  3. Step 3: Cross multiply
    788,037.80x = 1,182,056.70 × 255,551.90
  4. Step 4: Simplify right side
    788,037.80x = 302,076,835,592.73
  5. Step 5: Solve for x
    x = 302,076,835,592.73/788,037.80
  6. Step 6: Final answer
    x = 383,327.85

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Double scale
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Similar ratio
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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.