Home / 766,123.68-1,149,426.10-317,056.04

Finding the Fourth Proportional to 766,123.68, 1,149,426.10 and 317,056.04

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Solution

The fourth proportional to 766,123.68, 1,149,426.10 and 317,056.04 is: 475,683.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,123.68 : 1,149,426.10 = 317,056.04 : x
  2. Step 2: Convert to fraction form
    766,123.68/1,149,426.10 = 317,056.04/x
  3. Step 3: Cross multiply
    766,123.68x = 1,149,426.10 × 317,056.04
  4. Step 4: Simplify right side
    766,123.68x = 364,432,487,538.64
  5. Step 5: Solve for x
    x = 364,432,487,538.64/766,123.68
  6. Step 6: Final answer
    x = 475,683.62

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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.