Home / 780,957.58-1,170,598.02-331,299.04

Finding the Fourth Proportional to 780,957.58, 1,170,598.02 and 331,299.04

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Solution

The fourth proportional to 780,957.58, 1,170,598.02 and 331,299.04 is: 496,592.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,957.58 : 1,170,598.02 = 331,299.04 : x
  2. Step 2: Convert to fraction form
    780,957.58/1,170,598.02 = 331,299.04/x
  3. Step 3: Cross multiply
    780,957.58x = 1,170,598.02 × 331,299.04
  4. Step 4: Simplify right side
    780,957.58x = 387,818,000,251.90
  5. Step 5: Solve for x
    x = 387,818,000,251.90/780,957.58
  6. Step 6: Final answer
    x = 496,592.91

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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.